126720800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 330728832

約数和(自身を除く): 204008032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 71, 80, 92, 97, 100, 115, 142, 160, 184, 194, 200, 230, 284, 355, 368, 388, 400, 460, 485, 568, 575, 710, 736, 776, 800, 920, 970, 1136, 1150, 1420, 1552, 1633, 1775, 1840, 1940, 2231, 2272, 2300, 2425, 2840, 3104, 3266, 3550, 3680, 3880, 4462, 4600, 4850, 5680, 6532, 6887, 7100, 7760, 8165, 8924, 9200, 9700, 11155, 11360, 13064, 13774, 14200, 15520, 16330, 17848, 18400, 19400, 22310, 26128, 27548, 28400, 32660, 34435, 35696, 38800, 40825, 44620, 52256, 55096, 55775, 56800, 65320, 68870, 71392, 77600, 81650, 89240, 110192, 111550, 130640, 137740, 158401, 163300, 172175, 178480, 220384, 223100, 261280, 275480, 316802, 326600, 344350, 356960, 446200, 550960, 633604, 653200, 688700, 792005, 892400, 1101920, 1267208, 1306400, 1377400, 1584010, 1784800, 2534416, 2754800, 3168020, 3960025, 5068832, 5509600, 6336040, 7920050, 12672080, 15840100, 25344160, 31680200, 63360400, 126720800]

約数ペア:

[(1, 126720800), (2, 63360400), (4, 31680200), (5, 25344160), (8, 15840100), (10, 12672080), (16, 7920050), (20, 6336040), (23, 5509600), (25, 5068832), (32, 3960025), (40, 3168020), (46, 2754800), (50, 2534416), (71, 1784800), (80, 1584010), (92, 1377400), (97, 1306400), (100, 1267208), (115, 1101920), (142, 892400), (160, 792005), (184, 688700), (194, 653200), (200, 633604), (230, 550960), (284, 446200), (355, 356960), (368, 344350), (388, 326600), (400, 316802), (460, 275480), (485, 261280), (568, 223100), (575, 220384), (710, 178480), (736, 172175), (776, 163300), (800, 158401), (920, 137740), (970, 130640), (1136, 111550), (1150, 110192), (1420, 89240), (1552, 81650), (1633, 77600), (1775, 71392), (1840, 68870), (1940, 65320), (2231, 56800), (2272, 55775), (2300, 55096), (2425, 52256), (2840, 44620), (3104, 40825), (3266, 38800), (3550, 35696), (3680, 34435), (3880, 32660), (4462, 28400), (4600, 27548), (4850, 26128), (5680, 22310), (6532, 19400), (6887, 18400), (7100, 17848), (7760, 16330), (8165, 15520), (8924, 14200), (9200, 13774), (9700, 13064), (11155, 11360)]