256810620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9049}}^1$

素因数の和:9115

約数の個数: 96

約数和(自身を含む): 802771200

約数和(自身を除く): 545960580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1290, 1419, 1892, 2365, 2580, 2838, 4730, 5676, 7095, 9049, 9460, 14190, 18098, 27147, 28380, 36196, 45245, 54294, 90490, 99539, 108588, 135735, 180980, 199078, 271470, 298617, 389107, 398156, 497695, 542940, 597234, 778214, 995390, 1167321, 1194468, 1493085, 1556428, 1945535, 1990780, 2334642, 2986170, 3891070, 4280177, 4669284, 5836605, 5972340, 7782140, 8560354, 11673210, 12840531, 17120708, 21400885, 23346420, 25681062, 42801770, 51362124, 64202655, 85603540, 128405310, 256810620]

約数ペア:

[(1, 256810620), (2, 128405310), (3, 85603540), (4, 64202655), (5, 51362124), (6, 42801770), (10, 25681062), (11, 23346420), (12, 21400885), (15, 17120708), (20, 12840531), (22, 11673210), (30, 8560354), (33, 7782140), (43, 5972340), (44, 5836605), (55, 4669284), (60, 4280177), (66, 3891070), (86, 2986170), (110, 2334642), (129, 1990780), (132, 1945535), (165, 1556428), (172, 1493085), (215, 1194468), (220, 1167321), (258, 995390), (330, 778214), (430, 597234), (473, 542940), (516, 497695), (645, 398156), (660, 389107), (860, 298617), (946, 271470), (1290, 199078), (1419, 180980), (1892, 135735), (2365, 108588), (2580, 99539), (2838, 90490), (4730, 54294), (5676, 45245), (7095, 36196), (9049, 28380), (9460, 27147), (14190, 18098)]