15447640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 38122560

約数和(自身を除く): 22674920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 487, 488, 520, 610, 793, 974, 1220, 1586, 1948, 2435, 2440, 3172, 3896, 3965, 4870, 6331, 6344, 7930, 9740, 12662, 15860, 19480, 25324, 29707, 31655, 31720, 50648, 59414, 63310, 118828, 126620, 148535, 237656, 253240, 297070, 386191, 594140, 772382, 1188280, 1544764, 1930955, 3089528, 3861910, 7723820, 15447640]

約数ペア:

[(1, 15447640), (2, 7723820), (4, 3861910), (5, 3089528), (8, 1930955), (10, 1544764), (13, 1188280), (20, 772382), (26, 594140), (40, 386191), (52, 297070), (61, 253240), (65, 237656), (104, 148535), (122, 126620), (130, 118828), (244, 63310), (260, 59414), (305, 50648), (487, 31720), (488, 31655), (520, 29707), (610, 25324), (793, 19480), (974, 15860), (1220, 12662), (1586, 9740), (1948, 7930), (2435, 6344), (2440, 6331), (3172, 4870), (3896, 3965)]