15921100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 38327408

約数和(自身を除く): 22406308

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 331, 370, 481, 650, 662, 740, 925, 962, 1300, 1324, 1655, 1850, 1924, 2405, 3310, 3700, 4303, 4810, 6620, 8275, 8606, 9620, 12025, 12247, 16550, 17212, 21515, 24050, 24494, 33100, 43030, 48100, 48988, 61235, 86060, 107575, 122470, 159211, 215150, 244940, 306175, 318422, 430300, 612350, 636844, 796055, 1224700, 1592110, 3184220, 3980275, 7960550, 15921100]

約数ペア:

[(1, 15921100), (2, 7960550), (4, 3980275), (5, 3184220), (10, 1592110), (13, 1224700), (20, 796055), (25, 636844), (26, 612350), (37, 430300), (50, 318422), (52, 306175), (65, 244940), (74, 215150), (100, 159211), (130, 122470), (148, 107575), (185, 86060), (260, 61235), (325, 48988), (331, 48100), (370, 43030), (481, 33100), (650, 24494), (662, 24050), (740, 21515), (925, 17212), (962, 16550), (1300, 12247), (1324, 12025), (1655, 9620), (1850, 8606), (1924, 8275), (2405, 6620), (3310, 4810), (3700, 4303)]