20142582880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:622

約数の個数: 288

約数和(自身を含む): 57165847200

約数和(自身を除く): 37023264320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 149, 160, 172, 196, 215, 224, 245, 280, 298, 301, 344, 392, 401, 430, 490, 560, 596, 602, 688, 745, 784, 802, 860, 980, 1043, 1120, 1192, 1204, 1376, 1490, 1505, 1568, 1604, 1720, 1960, 2005, 2086, 2107, 2384, 2408, 2807, 2980, 3010, 3208, 3440, 3920, 4010, 4172, 4214, 4768, 4816, 5215, 5614, 5960, 6020, 6407, 6416, 6880, 7301, 7840, 8020, 8344, 8428, 9632, 10430, 10535, 11228, 11920, 12040, 12814, 12832, 14035, 14602, 16040, 16688, 16856, 17243, 19649, 20860, 21070, 22456, 23840, 24080, 25628, 28070, 29204, 32035, 32080, 33376, 33712, 34486, 36505, 39298, 41720, 42140, 44849, 44912, 48160, 51256, 56140, 58408, 59749, 64070, 64160, 67424, 68972, 73010, 78596, 83440, 84280, 86215, 89698, 89824, 98245, 102512, 112280, 116816, 119498, 120701, 128140, 137944, 146020, 157192, 166880, 168560, 172430, 179396, 196490, 205024, 224245, 224560, 233632, 238996, 241402, 256280, 275888, 292040, 298745, 313943, 314384, 337120, 344860, 358792, 392980, 418243, 448490, 449120, 477992, 482804, 512560, 551776, 584080, 597490, 603505, 627886, 628768, 689720, 717584, 785960, 836486, 844907, 896980, 955984, 965608, 1025120, 1168160, 1194980, 1207010, 1255772, 1379440, 1435168, 1569715, 1571920, 1672972, 1689814, 1793960, 1911968, 1931216, 2091215, 2389960, 2414020, 2511544, 2569207, 2758880, 2927701, 3139430, 3143840, 3345944, 3379628, 3587920, 3862432, 4182430, 4224535, 4779920, 4828040, 5023088, 5138414, 5855402, 6278860, 6691888, 6759256, 7175840, 8364860, 8449070, 9559840, 9656080, 10046176, 10276828, 11710804, 12557720, 12846035, 13383776, 13518512, 14638505, 16729720, 16898140, 17984449, 19312160, 20553656, 23421608, 25115440, 25692070, 27037024, 29277010, 33459440, 33796280, 35968898, 41107312, 46843216, 50230880, 51384140, 58554020, 66918880, 67592560, 71937796, 82214624, 89922245, 93686432, 102768280, 117108040, 125891143, 135185120, 143875592, 179844490, 205536560, 234216080, 251782286, 287751184, 359688980, 411073120, 468432160, 503564572, 575502368, 629455715, 719377960, 1007129144, 1258911430, 1438755920, 2014258288, 2517822860, 2877511840, 4028516576, 5035645720, 10071291440, 20142582880]

約数ペア:

[(1, 20142582880), (2, 10071291440), (4, 5035645720), (5, 4028516576), (7, 2877511840), (8, 2517822860), (10, 2014258288), (14, 1438755920), (16, 1258911430), (20, 1007129144), (28, 719377960), (32, 629455715), (35, 575502368), (40, 503564572), (43, 468432160), (49, 411073120), (56, 359688980), (70, 287751184), (80, 251782286), (86, 234216080), (98, 205536560), (112, 179844490), (140, 143875592), (149, 135185120), (160, 125891143), (172, 117108040), (196, 102768280), (215, 93686432), (224, 89922245), (245, 82214624), (280, 71937796), (298, 67592560), (301, 66918880), (344, 58554020), (392, 51384140), (401, 50230880), (430, 46843216), (490, 41107312), (560, 35968898), (596, 33796280), (602, 33459440), (688, 29277010), (745, 27037024), (784, 25692070), (802, 25115440), (860, 23421608), (980, 20553656), (1043, 19312160), (1120, 17984449), (1192, 16898140), (1204, 16729720), (1376, 14638505), (1490, 13518512), (1505, 13383776), (1568, 12846035), (1604, 12557720), (1720, 11710804), (1960, 10276828), (2005, 10046176), (2086, 9656080), (2107, 9559840), (2384, 8449070), (2408, 8364860), (2807, 7175840), (2980, 6759256), (3010, 6691888), (3208, 6278860), (3440, 5855402), (3920, 5138414), (4010, 5023088), (4172, 4828040), (4214, 4779920), (4768, 4224535), (4816, 4182430), (5215, 3862432), (5614, 3587920), (5960, 3379628), (6020, 3345944), (6407, 3143840), (6416, 3139430), (6880, 2927701), (7301, 2758880), (7840, 2569207), (8020, 2511544), (8344, 2414020), (8428, 2389960), (9632, 2091215), (10430, 1931216), (10535, 1911968), (11228, 1793960), (11920, 1689814), (12040, 1672972), (12814, 1571920), (12832, 1569715), (14035, 1435168), (14602, 1379440), (16040, 1255772), (16688, 1207010), (16856, 1194980), (17243, 1168160), (19649, 1025120), (20860, 965608), (21070, 955984), (22456, 896980), (23840, 844907), (24080, 836486), (25628, 785960), (28070, 717584), (29204, 689720), (32035, 628768), (32080, 627886), (33376, 603505), (33712, 597490), (34486, 584080), (36505, 551776), (39298, 512560), (41720, 482804), (42140, 477992), (44849, 449120), (44912, 448490), (48160, 418243), (51256, 392980), (56140, 358792), (58408, 344860), (59749, 337120), (64070, 314384), (64160, 313943), (67424, 298745), (68972, 292040), (73010, 275888), (78596, 256280), (83440, 241402), (84280, 238996), (86215, 233632), (89698, 224560), (89824, 224245), (98245, 205024), (102512, 196490), (112280, 179396), (116816, 172430), (119498, 168560), (120701, 166880), (128140, 157192), (137944, 146020)]