72195280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 177560064

約数和(自身を除く): 105364784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 677, 688, 860, 1240, 1333, 1354, 1720, 2480, 2666, 2708, 3385, 3440, 5332, 5416, 6665, 6770, 10664, 10832, 13330, 13540, 20987, 21328, 26660, 27080, 29111, 41974, 53320, 54160, 58222, 83948, 104935, 106640, 116444, 145555, 167896, 209870, 232888, 291110, 335792, 419740, 465776, 582220, 839480, 902441, 1164440, 1678960, 1804882, 2328880, 3609764, 4512205, 7219528, 9024410, 14439056, 18048820, 36097640, 72195280]

約数ペア:

[(1, 72195280), (2, 36097640), (4, 18048820), (5, 14439056), (8, 9024410), (10, 7219528), (16, 4512205), (20, 3609764), (31, 2328880), (40, 1804882), (43, 1678960), (62, 1164440), (80, 902441), (86, 839480), (124, 582220), (155, 465776), (172, 419740), (215, 335792), (248, 291110), (310, 232888), (344, 209870), (430, 167896), (496, 145555), (620, 116444), (677, 106640), (688, 104935), (860, 83948), (1240, 58222), (1333, 54160), (1354, 53320), (1720, 41974), (2480, 29111), (2666, 27080), (2708, 26660), (3385, 21328), (3440, 20987), (5332, 13540), (5416, 13330), (6665, 10832), (6770, 10664)]