64826960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 171088008

約数和(自身を除く): 106261048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 121, 148, 176, 181, 185, 220, 242, 296, 362, 370, 407, 440, 484, 592, 605, 724, 740, 814, 880, 905, 968, 1210, 1448, 1480, 1628, 1810, 1936, 1991, 2035, 2420, 2896, 2960, 3256, 3620, 3982, 4070, 4477, 4840, 6512, 6697, 7240, 7964, 8140, 8954, 9680, 9955, 13394, 14480, 15928, 16280, 17908, 19910, 21901, 22385, 26788, 31856, 32560, 33485, 35816, 39820, 43802, 44770, 53576, 66970, 71632, 73667, 79640, 87604, 89540, 107152, 109505, 133940, 147334, 159280, 175208, 179080, 219010, 267880, 294668, 350416, 358160, 368335, 438020, 535760, 589336, 736670, 810337, 876040, 1178672, 1473340, 1620674, 1752080, 2946680, 3241348, 4051685, 5893360, 6482696, 8103370, 12965392, 16206740, 32413480, 64826960]

約数ペア:

[(1, 64826960), (2, 32413480), (4, 16206740), (5, 12965392), (8, 8103370), (10, 6482696), (11, 5893360), (16, 4051685), (20, 3241348), (22, 2946680), (37, 1752080), (40, 1620674), (44, 1473340), (55, 1178672), (74, 876040), (80, 810337), (88, 736670), (110, 589336), (121, 535760), (148, 438020), (176, 368335), (181, 358160), (185, 350416), (220, 294668), (242, 267880), (296, 219010), (362, 179080), (370, 175208), (407, 159280), (440, 147334), (484, 133940), (592, 109505), (605, 107152), (724, 89540), (740, 87604), (814, 79640), (880, 73667), (905, 71632), (968, 66970), (1210, 53576), (1448, 44770), (1480, 43802), (1628, 39820), (1810, 35816), (1936, 33485), (1991, 32560), (2035, 31856), (2420, 26788), (2896, 22385), (2960, 21901), (3256, 19910), (3620, 17908), (3982, 16280), (4070, 15928), (4477, 14480), (4840, 13394), (6512, 9955), (6697, 9680), (7240, 8954), (7964, 8140)]