15986960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 41729472

約数和(自身を除く): 25742512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 491, 592, 740, 814, 880, 982, 1480, 1628, 1964, 2035, 2455, 2960, 3256, 3928, 4070, 4910, 5401, 6512, 7856, 8140, 9820, 10802, 16280, 18167, 19640, 21604, 27005, 32560, 36334, 39280, 43208, 54010, 72668, 86416, 90835, 108020, 145336, 181670, 199837, 216040, 290672, 363340, 399674, 432080, 726680, 799348, 999185, 1453360, 1598696, 1998370, 3197392, 3996740, 7993480, 15986960]

約数ペア:

[(1, 15986960), (2, 7993480), (4, 3996740), (5, 3197392), (8, 1998370), (10, 1598696), (11, 1453360), (16, 999185), (20, 799348), (22, 726680), (37, 432080), (40, 399674), (44, 363340), (55, 290672), (74, 216040), (80, 199837), (88, 181670), (110, 145336), (148, 108020), (176, 90835), (185, 86416), (220, 72668), (296, 54010), (370, 43208), (407, 39280), (440, 36334), (491, 32560), (592, 27005), (740, 21604), (814, 19640), (880, 18167), (982, 16280), (1480, 10802), (1628, 9820), (1964, 8140), (2035, 7856), (2455, 6512), (2960, 5401), (3256, 4910), (3928, 4070)]