78691600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 209613320

約数和(自身を除く): 130921720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 37, 40, 50, 52, 65, 74, 80, 100, 104, 130, 148, 185, 200, 208, 260, 296, 325, 370, 400, 409, 481, 520, 592, 650, 740, 818, 925, 962, 1040, 1300, 1480, 1636, 1850, 1924, 2045, 2405, 2600, 2960, 3272, 3700, 3848, 4090, 4810, 5200, 5317, 6544, 7400, 7696, 8180, 9620, 10225, 10634, 12025, 14800, 15133, 16360, 19240, 20450, 21268, 24050, 26585, 30266, 32720, 38480, 40900, 42536, 48100, 53170, 60532, 75665, 81800, 85072, 96200, 106340, 121064, 132925, 151330, 163600, 192400, 196729, 212680, 242128, 265850, 302660, 378325, 393458, 425360, 531700, 605320, 756650, 786916, 983645, 1063400, 1210640, 1513300, 1573832, 1967290, 2126800, 3026600, 3147664, 3934580, 4918225, 6053200, 7869160, 9836450, 15738320, 19672900, 39345800, 78691600]

約数ペア:

[(1, 78691600), (2, 39345800), (4, 19672900), (5, 15738320), (8, 9836450), (10, 7869160), (13, 6053200), (16, 4918225), (20, 3934580), (25, 3147664), (26, 3026600), (37, 2126800), (40, 1967290), (50, 1573832), (52, 1513300), (65, 1210640), (74, 1063400), (80, 983645), (100, 786916), (104, 756650), (130, 605320), (148, 531700), (185, 425360), (200, 393458), (208, 378325), (260, 302660), (296, 265850), (325, 242128), (370, 212680), (400, 196729), (409, 192400), (481, 163600), (520, 151330), (592, 132925), (650, 121064), (740, 106340), (818, 96200), (925, 85072), (962, 81800), (1040, 75665), (1300, 60532), (1480, 53170), (1636, 48100), (1850, 42536), (1924, 40900), (2045, 38480), (2405, 32720), (2600, 30266), (2960, 26585), (3272, 24050), (3700, 21268), (3848, 20450), (4090, 19240), (4810, 16360), (5200, 15133), (5317, 14800), (6544, 12025), (7400, 10634), (7696, 10225), (8180, 9620)]