15271880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 37920960

約数和(自身を除く): 22649080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 683, 860, 1118, 1366, 1720, 2236, 2732, 2795, 3415, 4472, 5464, 5590, 6830, 8879, 11180, 13660, 17758, 22360, 27320, 29369, 35516, 44395, 58738, 71032, 88790, 117476, 146845, 177580, 234952, 293690, 355160, 381797, 587380, 763594, 1174760, 1527188, 1908985, 3054376, 3817970, 7635940, 15271880]

約数ペア:

[(1, 15271880), (2, 7635940), (4, 3817970), (5, 3054376), (8, 1908985), (10, 1527188), (13, 1174760), (20, 763594), (26, 587380), (40, 381797), (43, 355160), (52, 293690), (65, 234952), (86, 177580), (104, 146845), (130, 117476), (172, 88790), (215, 71032), (260, 58738), (344, 44395), (430, 35516), (520, 29369), (559, 27320), (683, 22360), (860, 17758), (1118, 13660), (1366, 11180), (1720, 8879), (2236, 6830), (2732, 5590), (2795, 5464), (3415, 4472)]