1305385380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557857}}^1$

素因数の和:557885

約数の個数: 72

約数和(自身を含む): 4264266552

約数和(自身を除く): 2958881172

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, 1170, 2340, 557857, 1115714, 1673571, 2231428, 2789285, 3347142, 5020713, 5578570, 6694284, 7252141, 8367855, 10041426, 11157140, 14504282, 16735710, 20082852, 21756423, 25103565, 29008564, 33471420, 36260705, 43512846, 50207130, 65269269, 72521410, 87025692, 100414260, 108782115, 130538538, 145042820, 217564230, 261077076, 326346345, 435128460, 652692690, 1305385380]

約数ペア:

[(1, 1305385380), (2, 652692690), (3, 435128460), (4, 326346345), (5, 261077076), (6, 217564230), (9, 145042820), (10, 130538538), (12, 108782115), (13, 100414260), (15, 87025692), (18, 72521410), (20, 65269269), (26, 50207130), (30, 43512846), (36, 36260705), (39, 33471420), (45, 29008564), (52, 25103565), (60, 21756423), (65, 20082852), (78, 16735710), (90, 14504282), (117, 11157140), (130, 10041426), (156, 8367855), (180, 7252141), (195, 6694284), (234, 5578570), (260, 5020713), (390, 3347142), (468, 2789285), (585, 2231428), (780, 1673571), (1170, 1115714), (2340, 557857)]