254785440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 384

約数和(自身を含む): 1043159040

約数和(自身を除く): 788373600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 32, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 96, 104, 105, 112, 114, 120, 130, 133, 140, 152, 156, 160, 168, 182, 190, 195, 208, 210, 224, 228, 240, 247, 260, 266, 273, 280, 285, 304, 307, 312, 336, 364, 380, 390, 399, 416, 420, 455, 456, 480, 494, 520, 532, 546, 560, 570, 608, 614, 624, 665, 672, 728, 741, 760, 780, 798, 840, 910, 912, 921, 988, 1040, 1064, 1092, 1120, 1140, 1228, 1235, 1248, 1330, 1365, 1456, 1482, 1520, 1535, 1560, 1596, 1680, 1729, 1820, 1824, 1842, 1976, 1995, 2080, 2128, 2149, 2184, 2280, 2456, 2470, 2660, 2730, 2912, 2964, 3040, 3070, 3120, 3192, 3360, 3458, 3640, 3684, 3705, 3952, 3990, 3991, 4256, 4298, 4368, 4560, 4605, 4912, 4940, 5187, 5320, 5460, 5833, 5928, 6140, 6240, 6384, 6447, 6916, 7280, 7368, 7410, 7904, 7980, 7982, 8596, 8645, 8736, 9120, 9210, 9824, 9880, 10374, 10640, 10745, 10920, 11666, 11856, 11973, 12280, 12768, 12894, 13832, 14560, 14736, 14820, 15960, 15964, 17192, 17290, 17499, 18420, 19760, 19955, 20748, 21280, 21490, 21840, 23332, 23712, 23946, 24560, 25788, 25935, 27664, 27937, 29165, 29472, 29640, 31920, 31928, 32235, 34384, 34580, 34998, 36840, 39520, 39910, 40831, 41496, 42980, 43680, 46664, 47892, 49120, 51576, 51870, 55328, 55874, 58330, 59280, 59865, 63840, 63856, 64470, 68768, 69160, 69996, 73680, 75829, 79820, 81662, 82992, 83811, 85960, 87495, 93328, 95784, 103152, 103740, 111748, 116660, 118560, 119730, 122493, 127712, 128940, 138320, 139685, 139992, 147360, 151658, 159640, 163324, 165984, 167622, 171920, 174990, 186656, 191568, 204155, 206304, 207480, 223496, 227487, 233320, 239460, 244986, 257880, 276640, 279370, 279984, 303316, 319280, 326648, 335244, 343840, 349980, 379145, 383136, 408310, 414960, 419055, 446992, 454974, 466640, 478920, 489972, 515760, 530803, 558740, 559968, 606632, 612465, 638560, 653296, 670488, 699960, 758290, 816620, 829920, 838110, 893984, 909948, 933280, 957840, 979944, 1031520, 1061606, 1117480, 1137435, 1213264, 1224930, 1306592, 1340976, 1399920, 1516580, 1592409, 1633240, 1676220, 1819896, 1915680, 1959888, 2123212, 2234960, 2274870, 2426528, 2449860, 2654015, 2681952, 2799840, 3033160, 3184818, 3266480, 3352440, 3639792, 3919776, 4246424, 4469920, 4549740, 4899720, 5308030, 6066320, 6369636, 6532960, 6704880, 7279584, 7962045, 8492848, 9099480, 9799440, 10616060, 12132640, 12739272, 13409760, 15924090, 16985696, 18198960, 19598880, 21232120, 25478544, 31848180, 36397920, 42464240, 50957088, 63696360, 84928480, 127392720, 254785440]

約数ペア:

[(1, 254785440), (2, 127392720), (3, 84928480), (4, 63696360), (5, 50957088), (6, 42464240), (7, 36397920), (8, 31848180), (10, 25478544), (12, 21232120), (13, 19598880), (14, 18198960), (15, 16985696), (16, 15924090), (19, 13409760), (20, 12739272), (21, 12132640), (24, 10616060), (26, 9799440), (28, 9099480), (30, 8492848), (32, 7962045), (35, 7279584), (38, 6704880), (39, 6532960), (40, 6369636), (42, 6066320), (48, 5308030), (52, 4899720), (56, 4549740), (57, 4469920), (60, 4246424), (65, 3919776), (70, 3639792), (76, 3352440), (78, 3266480), (80, 3184818), (84, 3033160), (91, 2799840), (95, 2681952), (96, 2654015), (104, 2449860), (105, 2426528), (112, 2274870), (114, 2234960), (120, 2123212), (130, 1959888), (133, 1915680), (140, 1819896), (152, 1676220), (156, 1633240), (160, 1592409), (168, 1516580), (182, 1399920), (190, 1340976), (195, 1306592), (208, 1224930), (210, 1213264), (224, 1137435), (228, 1117480), (240, 1061606), (247, 1031520), (260, 979944), (266, 957840), (273, 933280), (280, 909948), (285, 893984), (304, 838110), (307, 829920), (312, 816620), (336, 758290), (364, 699960), (380, 670488), (390, 653296), (399, 638560), (416, 612465), (420, 606632), (455, 559968), (456, 558740), (480, 530803), (494, 515760), (520, 489972), (532, 478920), (546, 466640), (560, 454974), (570, 446992), (608, 419055), (614, 414960), (624, 408310), (665, 383136), (672, 379145), (728, 349980), (741, 343840), (760, 335244), (780, 326648), (798, 319280), (840, 303316), (910, 279984), (912, 279370), (921, 276640), (988, 257880), (1040, 244986), (1064, 239460), (1092, 233320), (1120, 227487), (1140, 223496), (1228, 207480), (1235, 206304), (1248, 204155), (1330, 191568), (1365, 186656), (1456, 174990), (1482, 171920), (1520, 167622), (1535, 165984), (1560, 163324), (1596, 159640), (1680, 151658), (1729, 147360), (1820, 139992), (1824, 139685), (1842, 138320), (1976, 128940), (1995, 127712), (2080, 122493), (2128, 119730), (2149, 118560), (2184, 116660), (2280, 111748), (2456, 103740), (2470, 103152), (2660, 95784), (2730, 93328), (2912, 87495), (2964, 85960), (3040, 83811), (3070, 82992), (3120, 81662), (3192, 79820), (3360, 75829), (3458, 73680), (3640, 69996), (3684, 69160), (3705, 68768), (3952, 64470), (3990, 63856), (3991, 63840), (4256, 59865), (4298, 59280), (4368, 58330), (4560, 55874), (4605, 55328), (4912, 51870), (4940, 51576), (5187, 49120), (5320, 47892), (5460, 46664), (5833, 43680), (5928, 42980), (6140, 41496), (6240, 40831), (6384, 39910), (6447, 39520), (6916, 36840), (7280, 34998), (7368, 34580), (7410, 34384), (7904, 32235), (7980, 31928), (7982, 31920), (8596, 29640), (8645, 29472), (8736, 29165), (9120, 27937), (9210, 27664), (9824, 25935), (9880, 25788), (10374, 24560), (10640, 23946), (10745, 23712), (10920, 23332), (11666, 21840), (11856, 21490), (11973, 21280), (12280, 20748), (12768, 19955), (12894, 19760), (13832, 18420), (14560, 17499), (14736, 17290), (14820, 17192), (15960, 15964)]