2005380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 6558552

約数和(自身を除く): 4553172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 857, 1170, 1714, 2340, 2571, 3428, 4285, 5142, 7713, 8570, 10284, 11141, 12855, 15426, 17140, 22282, 25710, 30852, 33423, 38565, 44564, 51420, 55705, 66846, 77130, 100269, 111410, 133692, 154260, 167115, 200538, 222820, 334230, 401076, 501345, 668460, 1002690, 2005380]

約数ペア:

[(1, 2005380), (2, 1002690), (3, 668460), (4, 501345), (5, 401076), (6, 334230), (9, 222820), (10, 200538), (12, 167115), (13, 154260), (15, 133692), (18, 111410), (20, 100269), (26, 77130), (30, 66846), (36, 55705), (39, 51420), (45, 44564), (52, 38565), (60, 33423), (65, 30852), (78, 25710), (90, 22282), (117, 17140), (130, 15426), (156, 12855), (180, 11141), (195, 10284), (234, 8570), (260, 7713), (390, 5142), (468, 4285), (585, 3428), (780, 2571), (857, 2340), (1170, 1714)]