64478260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 170553600

約数和(自身を除く): 106075340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 149, 154, 220, 281, 298, 308, 385, 562, 596, 745, 770, 1043, 1124, 1405, 1490, 1540, 1639, 1967, 2086, 2810, 2980, 3091, 3278, 3934, 4172, 5215, 5620, 6182, 6556, 7868, 8195, 9835, 10430, 11473, 12364, 15455, 16390, 19670, 20860, 21637, 22946, 30910, 32780, 39340, 41869, 43274, 45892, 57365, 61820, 83738, 86548, 108185, 114730, 167476, 209345, 216370, 229460, 293083, 418690, 432740, 460559, 586166, 837380, 921118, 1172332, 1465415, 1842236, 2302795, 2930830, 3223913, 4605590, 5861660, 6447826, 9211180, 12895652, 16119565, 32239130, 64478260]

約数ペア:

[(1, 64478260), (2, 32239130), (4, 16119565), (5, 12895652), (7, 9211180), (10, 6447826), (11, 5861660), (14, 4605590), (20, 3223913), (22, 2930830), (28, 2302795), (35, 1842236), (44, 1465415), (55, 1172332), (70, 921118), (77, 837380), (110, 586166), (140, 460559), (149, 432740), (154, 418690), (220, 293083), (281, 229460), (298, 216370), (308, 209345), (385, 167476), (562, 114730), (596, 108185), (745, 86548), (770, 83738), (1043, 61820), (1124, 57365), (1405, 45892), (1490, 43274), (1540, 41869), (1639, 39340), (1967, 32780), (2086, 30910), (2810, 22946), (2980, 21637), (3091, 20860), (3278, 19670), (3934, 16390), (4172, 15455), (5215, 12364), (5620, 11473), (6182, 10430), (6556, 9835), (7868, 8195)]