20961577440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:919

約数の個数: 384

約数和(自身を含む): 75841920000

約数和(自身を除く): 54880342560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 199, 216, 222, 240, 270, 288, 296, 333, 360, 370, 398, 432, 444, 480, 540, 555, 592, 597, 659, 666, 720, 740, 796, 864, 888, 995, 999, 1080, 1110, 1184, 1194, 1318, 1332, 1440, 1480, 1592, 1665, 1776, 1791, 1977, 1990, 1998, 2160, 2220, 2388, 2636, 2664, 2960, 2985, 3184, 3295, 3330, 3552, 3582, 3954, 3980, 3996, 4320, 4440, 4776, 4995, 5272, 5328, 5373, 5920, 5931, 5970, 6368, 6590, 6660, 7164, 7363, 7908, 7960, 7992, 8880, 8955, 9552, 9885, 9990, 10544, 10656, 10746, 11862, 11940, 13180, 13320, 14328, 14726, 15816, 15920, 15984, 17760, 17793, 17910, 19104, 19770, 19980, 21088, 21492, 22089, 23724, 23880, 24383, 26360, 26640, 26865, 28656, 29452, 29655, 31632, 31840, 31968, 35586, 35820, 36815, 39540, 39960, 42984, 44178, 47448, 47760, 48766, 52720, 53280, 53730, 57312, 58904, 59310, 63264, 66267, 71172, 71640, 73149, 73630, 79080, 79920, 85968, 88356, 88965, 94896, 95520, 97532, 105440, 107460, 110445, 117808, 118620, 121915, 131141, 132534, 142344, 143280, 146298, 147260, 158160, 159840, 171936, 176712, 177930, 189792, 195064, 198801, 214920, 219447, 220890, 235616, 237240, 243830, 262282, 265068, 284688, 286560, 292596, 294520, 316320, 331335, 353424, 355860, 365745, 390128, 393423, 397602, 429840, 438894, 441780, 474480, 487660, 524564, 530136, 569376, 585192, 589040, 655705, 658341, 662670, 706848, 711720, 731490, 780256, 786846, 795204, 859680, 877788, 883560, 948960, 975320, 994005, 1049128, 1060272, 1097235, 1170384, 1178080, 1180269, 1311410, 1316682, 1325340, 1423440, 1462980, 1573692, 1590408, 1755576, 1767120, 1950640, 1967115, 1988010, 2098256, 2120544, 2194470, 2340768, 2360538, 2622820, 2633364, 2650680, 2846880, 2925960, 3147384, 3180816, 3291705, 3511152, 3534240, 3540807, 3901280, 3934230, 3976020, 4196512, 4388940, 4721076, 4852217, 5245640, 5266728, 5301360, 5851920, 5901345, 6294768, 6361632, 6583410, 7022304, 7081614, 7868460, 7952040, 8777880, 9442152, 9704434, 10491280, 10533456, 10602720, 11703840, 11802690, 12589536, 13166820, 14163228, 14556651, 15736920, 15904080, 17555760, 17704035, 18884304, 19408868, 20982560, 21066912, 23605380, 24261085, 26333640, 28326456, 29113302, 31473840, 31808160, 35111520, 35408070, 37768608, 38817736, 43669953, 47210760, 48522170, 52667280, 56652912, 58226604, 62947680, 70816140, 72783255, 77635472, 87339906, 94421520, 97044340, 105334560, 113305824, 116453208, 131009859, 141632280, 145566510, 155270944, 174679812, 188843040, 194088680, 218349765, 232906416, 262019718, 283264560, 291133020, 349359624, 388177360, 436699530, 465812832, 524039436, 566529120, 582266040, 655049295, 698719248, 776354720, 873399060, 1048078872, 1164532080, 1310098590, 1397438496, 1746798120, 2096157744, 2329064160, 2620197180, 3493596240, 4192315488, 5240394360, 6987192480, 10480788720, 20961577440]

約数ペア:

[(1, 20961577440), (2, 10480788720), (3, 6987192480), (4, 5240394360), (5, 4192315488), (6, 3493596240), (8, 2620197180), (9, 2329064160), (10, 2096157744), (12, 1746798120), (15, 1397438496), (16, 1310098590), (18, 1164532080), (20, 1048078872), (24, 873399060), (27, 776354720), (30, 698719248), (32, 655049295), (36, 582266040), (37, 566529120), (40, 524039436), (45, 465812832), (48, 436699530), (54, 388177360), (60, 349359624), (72, 291133020), (74, 283264560), (80, 262019718), (90, 232906416), (96, 218349765), (108, 194088680), (111, 188843040), (120, 174679812), (135, 155270944), (144, 145566510), (148, 141632280), (160, 131009859), (180, 116453208), (185, 113305824), (199, 105334560), (216, 97044340), (222, 94421520), (240, 87339906), (270, 77635472), (288, 72783255), (296, 70816140), (333, 62947680), (360, 58226604), (370, 56652912), (398, 52667280), (432, 48522170), (444, 47210760), (480, 43669953), (540, 38817736), (555, 37768608), (592, 35408070), (597, 35111520), (659, 31808160), (666, 31473840), (720, 29113302), (740, 28326456), (796, 26333640), (864, 24261085), (888, 23605380), (995, 21066912), (999, 20982560), (1080, 19408868), (1110, 18884304), (1184, 17704035), (1194, 17555760), (1318, 15904080), (1332, 15736920), (1440, 14556651), (1480, 14163228), (1592, 13166820), (1665, 12589536), (1776, 11802690), (1791, 11703840), (1977, 10602720), (1990, 10533456), (1998, 10491280), (2160, 9704434), (2220, 9442152), (2388, 8777880), (2636, 7952040), (2664, 7868460), (2960, 7081614), (2985, 7022304), (3184, 6583410), (3295, 6361632), (3330, 6294768), (3552, 5901345), (3582, 5851920), (3954, 5301360), (3980, 5266728), (3996, 5245640), (4320, 4852217), (4440, 4721076), (4776, 4388940), (4995, 4196512), (5272, 3976020), (5328, 3934230), (5373, 3901280), (5920, 3540807), (5931, 3534240), (5970, 3511152), (6368, 3291705), (6590, 3180816), (6660, 3147384), (7164, 2925960), (7363, 2846880), (7908, 2650680), (7960, 2633364), (7992, 2622820), (8880, 2360538), (8955, 2340768), (9552, 2194470), (9885, 2120544), (9990, 2098256), (10544, 1988010), (10656, 1967115), (10746, 1950640), (11862, 1767120), (11940, 1755576), (13180, 1590408), (13320, 1573692), (14328, 1462980), (14726, 1423440), (15816, 1325340), (15920, 1316682), (15984, 1311410), (17760, 1180269), (17793, 1178080), (17910, 1170384), (19104, 1097235), (19770, 1060272), (19980, 1049128), (21088, 994005), (21492, 975320), (22089, 948960), (23724, 883560), (23880, 877788), (24383, 859680), (26360, 795204), (26640, 786846), (26865, 780256), (28656, 731490), (29452, 711720), (29655, 706848), (31632, 662670), (31840, 658341), (31968, 655705), (35586, 589040), (35820, 585192), (36815, 569376), (39540, 530136), (39960, 524564), (42984, 487660), (44178, 474480), (47448, 441780), (47760, 438894), (48766, 429840), (52720, 397602), (53280, 393423), (53730, 390128), (57312, 365745), (58904, 355860), (59310, 353424), (63264, 331335), (66267, 316320), (71172, 294520), (71640, 292596), (73149, 286560), (73630, 284688), (79080, 265068), (79920, 262282), (85968, 243830), (88356, 237240), (88965, 235616), (94896, 220890), (95520, 219447), (97532, 214920), (105440, 198801), (107460, 195064), (110445, 189792), (117808, 177930), (118620, 176712), (121915, 171936), (131141, 159840), (132534, 158160), (142344, 147260), (143280, 146298)]