261517685520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1351

約数の個数: 640

約数和(自身を含む): 1025662353408

約数和(自身を除く): 764144667888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 43, 48, 52, 56, 60, 65, 70, 78, 80, 84, 86, 91, 104, 105, 112, 120, 129, 130, 140, 156, 168, 172, 182, 195, 208, 210, 215, 240, 258, 260, 273, 280, 281, 301, 312, 336, 344, 364, 390, 420, 430, 455, 516, 520, 546, 559, 560, 562, 602, 624, 645, 688, 728, 780, 840, 843, 860, 903, 910, 991, 1032, 1040, 1092, 1118, 1124, 1204, 1290, 1365, 1405, 1456, 1505, 1560, 1677, 1680, 1686, 1720, 1806, 1820, 1967, 1982, 2064, 2184, 2236, 2248, 2408, 2580, 2730, 2795, 2810, 2973, 3010, 3120, 3354, 3372, 3440, 3612, 3640, 3653, 3913, 3934, 3964, 4215, 4368, 4472, 4496, 4515, 4816, 4955, 5160, 5460, 5590, 5620, 5901, 5946, 6020, 6708, 6744, 6937, 7224, 7280, 7306, 7826, 7868, 7928, 8385, 8430, 8944, 9030, 9835, 9910, 10320, 10920, 10959, 11180, 11240, 11739, 11802, 11892, 12040, 12083, 12883, 13416, 13488, 13874, 14448, 14612, 14865, 15652, 15736, 15856, 16770, 16860, 18060, 18265, 19565, 19670, 19820, 20811, 21840, 21918, 22360, 22480, 23478, 23604, 23784, 24080, 24166, 25571, 25766, 26832, 27748, 29224, 29505, 29730, 31304, 31472, 33540, 33720, 34685, 36120, 36249, 36530, 38649, 39130, 39340, 39640, 41622, 42613, 43836, 44720, 46956, 47208, 47568, 48332, 51142, 51532, 54795, 55496, 58448, 58695, 59010, 59460, 60415, 62608, 64415, 67080, 67440, 69370, 72240, 72498, 73060, 76713, 77298, 78260, 78680, 79280, 83244, 84581, 85226, 87672, 90181, 93912, 94416, 96664, 102284, 103064, 104055, 109590, 110992, 117390, 118020, 118920, 120830, 127839, 127855, 128830, 134160, 138740, 144996, 146120, 153426, 154596, 156520, 157079, 157360, 166488, 169162, 170452, 175344, 180362, 181245, 187824, 193245, 193328, 204568, 206128, 208110, 213065, 219180, 234780, 236040, 237840, 241660, 253743, 255678, 255710, 257660, 270543, 277480, 278471, 289992, 292240, 298291, 306852, 309192, 313040, 314158, 332976, 338324, 340904, 360724, 362490, 383565, 386490, 409136, 416220, 422905, 426130, 438360, 450905, 469560, 471237, 472080, 483320, 507486, 511356, 511420, 515320, 541086, 553969, 554960, 556942, 579984, 596582, 613704, 618384, 628316, 639195, 676648, 681808, 721448, 724980, 767130, 772980, 785395, 832440, 835413, 845810, 852260, 876720, 894873, 901810, 939120, 942474, 966640, 1014972, 1022712, 1022840, 1030640, 1082172, 1099553, 1107938, 1113884, 1193164, 1227408, 1256632, 1268715, 1278390, 1352715, 1353296, 1392355, 1442896, 1449960, 1491455, 1534260, 1545960, 1570790, 1661907, 1664880, 1670826, 1691620, 1704520, 1789746, 1803620, 1884948, 1949297, 2029944, 2045424, 2045680, 2164344, 2199106, 2215876, 2227768, 2356185, 2386328, 2513264, 2537430, 2556780, 2705430, 2769845, 2784710, 2899920, 2982910, 3068520, 3091920, 3141580, 3298659, 3323814, 3341652, 3383240, 3409040, 3579492, 3607240, 3620123, 3769896, 3877783, 3898594, 4059888, 4177065, 4328688, 4398212, 4431752, 4455536, 4474365, 4712370, 4772656, 5074860, 5113560, 5410860, 5497765, 5539690, 5569420, 5847891, 5965820, 6137040, 6283160, 6597318, 6647628, 6683304, 6766480, 7158984, 7214480, 7240246, 7539792, 7755566, 7797188, 8309535, 8354130, 8796424, 8863504, 8948730, 9424740, 9746485, 10149720, 10227120, 10821720, 10860369, 10995530, 11079380, 11138840, 11633349, 11695782, 11931640, 11974253, 12566320, 13194636, 13295256, 13366608, 14317968, 14480492, 15511132, 15594376, 16493295, 16619070, 16708260, 17592848, 17897460, 18100615, 18849480, 19388915, 19492970, 20299440, 21643440, 21720738, 21991060, 22158760, 22277680, 23266698, 23391564, 23863280, 23948506, 25340861, 26389272, 26590512, 28960984, 29239455, 31022264, 31188752, 32986590, 33238140, 33416520, 35794920, 35922759, 36201230, 37698960, 38777830, 38985940, 43441476, 43982120, 44317520, 46533396, 46783128, 47897012, 50681722, 52778544, 54301845, 57921968, 58166745, 58478910, 59871265, 62044528, 65973180, 66476280, 66833040, 71589840, 71845518, 72402460, 76022583, 77555660, 77971880, 83819771, 86882952, 87964240, 93066792, 93566256, 95794024, 101363444, 108603690, 116333490, 116957820, 119742530, 126704305, 131946360, 132952560, 143691036, 144804920, 152045166, 155111320, 155665289, 155943760, 167639542, 173765904, 179613795, 186133584, 191588048, 202726888, 217207380, 232666980, 233915640, 239485060, 251459313, 253408610, 263892720, 287382072, 289609840, 304090332, 310222640, 311330578, 335279084, 359227590, 380112915, 405453776, 419098855, 434414760, 465333960, 466995867, 467831280, 478970120, 502918626, 506817220, 574764144, 608180664, 622661156, 670558168, 718455180, 760225830, 778326445, 838197710, 868829520, 930667920, 933991734, 957940240, 1005837252, 1013634440, 1089657023, 1216361328, 1245322312, 1257296565, 1341116336, 1436910360, 1520451660, 1556652890, 1676395420, 1867983468, 2011674504, 2027268880, 2179314046, 2334979335, 2490644624, 2514593130, 2873820720, 3040903320, 3113305780, 3268971069, 3352790840, 3735966936, 4023349008, 4358628092, 4669958670, 5029186260, 5448285115, 6081806640, 6226611560, 6537942138, 6705581680, 7471933872, 8717256184, 9339917340, 10058372520, 10896570230, 12453223120, 13075884276, 16344855345, 17434512368, 18679834680, 20116745040, 21793140460, 26151768552, 32689710690, 37359669360, 43586280920, 52303537104, 65379421380, 87172561840, 130758842760, 261517685520]

約数ペア:

[(1, 261517685520), (2, 130758842760), (3, 87172561840), (4, 65379421380), (5, 52303537104), (6, 43586280920), (7, 37359669360), (8, 32689710690), (10, 26151768552), (12, 21793140460), (13, 20116745040), (14, 18679834680), (15, 17434512368), (16, 16344855345), (20, 13075884276), (21, 12453223120), (24, 10896570230), (26, 10058372520), (28, 9339917340), (30, 8717256184), (35, 7471933872), (39, 6705581680), (40, 6537942138), (42, 6226611560), (43, 6081806640), (48, 5448285115), (52, 5029186260), (56, 4669958670), (60, 4358628092), (65, 4023349008), (70, 3735966936), (78, 3352790840), (80, 3268971069), (84, 3113305780), (86, 3040903320), (91, 2873820720), (104, 2514593130), (105, 2490644624), (112, 2334979335), (120, 2179314046), (129, 2027268880), (130, 2011674504), (140, 1867983468), (156, 1676395420), (168, 1556652890), (172, 1520451660), (182, 1436910360), (195, 1341116336), (208, 1257296565), (210, 1245322312), (215, 1216361328), (240, 1089657023), (258, 1013634440), (260, 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116333490), (2408, 108603690), (2580, 101363444), (2730, 95794024), (2795, 93566256), (2810, 93066792), (2973, 87964240), (3010, 86882952), (3120, 83819771), (3354, 77971880), (3372, 77555660), (3440, 76022583), (3612, 72402460), (3640, 71845518), (3653, 71589840), (3913, 66833040), (3934, 66476280), (3964, 65973180), (4215, 62044528), (4368, 59871265), (4472, 58478910), (4496, 58166745), (4515, 57921968), (4816, 54301845), (4955, 52778544), (5160, 50681722), (5460, 47897012), (5590, 46783128), (5620, 46533396), (5901, 44317520), (5946, 43982120), (6020, 43441476), (6708, 38985940), (6744, 38777830), (6937, 37698960), (7224, 36201230), (7280, 35922759), (7306, 35794920), (7826, 33416520), (7868, 33238140), (7928, 32986590), (8385, 31188752), (8430, 31022264), (8944, 29239455), (9030, 28960984), (9835, 26590512), (9910, 26389272), (10320, 25340861), (10920, 23948506), (10959, 23863280), (11180, 23391564), (11240, 23266698), (11739, 22277680), (11802, 22158760), (11892, 21991060), (12040, 21720738), (12083, 21643440), (12883, 20299440), (13416, 19492970), (13488, 19388915), (13874, 18849480), (14448, 18100615), (14612, 17897460), (14865, 17592848), (15652, 16708260), (15736, 16619070), (15856, 16493295), (16770, 15594376), (16860, 15511132), (18060, 14480492), (18265, 14317968), (19565, 13366608), (19670, 13295256), (19820, 13194636), (20811, 12566320), (21840, 11974253), (21918, 11931640), (22360, 11695782), (22480, 11633349), (23478, 11138840), (23604, 11079380), (23784, 10995530), (24080, 10860369), (24166, 10821720), (25571, 10227120), (25766, 10149720), (26832, 9746485), (27748, 9424740), (29224, 8948730), (29505, 8863504), (29730, 8796424), (31304, 8354130), (31472, 8309535), (33540, 7797188), (33720, 7755566), (34685, 7539792), (36120, 7240246), (36249, 7214480), (36530, 7158984), (38649, 6766480), (39130, 6683304), (39340, 6647628), (39640, 6597318), (41622, 6283160), (42613, 6137040), (43836, 5965820), (44720, 5847891), (46956, 5569420), (47208, 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