15853240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 39362400

約数和(自身を除く): 23509160

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, 709, 860, 1118, 1418, 1720, 2236, 2795, 2836, 3545, 4472, 5590, 5672, 7090, 9217, 11180, 14180, 18434, 22360, 28360, 30487, 36868, 46085, 60974, 73736, 92170, 121948, 152435, 184340, 243896, 304870, 368680, 396331, 609740, 792662, 1219480, 1585324, 1981655, 3170648, 3963310, 7926620, 15853240]

約数ペア:

[(1, 15853240), (2, 7926620), (4, 3963310), (5, 3170648), (8, 1981655), (10, 1585324), (13, 1219480), (20, 792662), (26, 609740), (40, 396331), (43, 368680), (52, 304870), (65, 243896), (86, 184340), (104, 152435), (130, 121948), (172, 92170), (215, 73736), (260, 60974), (344, 46085), (430, 36868), (520, 30487), (559, 28360), (709, 22360), (860, 18434), (1118, 14180), (1418, 11180), (1720, 9217), (2236, 7090), (2795, 5672), (2836, 5590), (3545, 4472)]