68628040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 167247360

約数和(自身を除く): 98619320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 487, 520, 542, 974, 1084, 1355, 1948, 2168, 2435, 2710, 3523, 3896, 4870, 5420, 6331, 7046, 9740, 10840, 12662, 14092, 17615, 19480, 25324, 28184, 31655, 35230, 50648, 63310, 70460, 126620, 131977, 140920, 253240, 263954, 527908, 659885, 1055816, 1319770, 1715701, 2639540, 3431402, 5279080, 6862804, 8578505, 13725608, 17157010, 34314020, 68628040]

約数ペア:

[(1, 68628040), (2, 34314020), (4, 17157010), (5, 13725608), (8, 8578505), (10, 6862804), (13, 5279080), (20, 3431402), (26, 2639540), (40, 1715701), (52, 1319770), (65, 1055816), (104, 659885), (130, 527908), (260, 263954), (271, 253240), (487, 140920), (520, 131977), (542, 126620), (974, 70460), (1084, 63310), (1355, 50648), (1948, 35230), (2168, 31655), (2435, 28184), (2710, 25324), (3523, 19480), (3896, 17615), (4870, 14092), (5420, 12662), (6331, 10840), (7046, 9740)]