7428680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 19578240

約数和(自身を除く): 12149560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 617, 860, 1204, 1234, 1505, 1720, 2408, 2468, 3010, 3085, 4319, 4936, 6020, 6170, 8638, 12040, 12340, 17276, 21595, 24680, 26531, 34552, 43190, 53062, 86380, 106124, 132655, 172760, 185717, 212248, 265310, 371434, 530620, 742868, 928585, 1061240, 1485736, 1857170, 3714340, 7428680]

約数ペア:

[(1, 7428680), (2, 3714340), (4, 1857170), (5, 1485736), (7, 1061240), (8, 928585), (10, 742868), (14, 530620), (20, 371434), (28, 265310), (35, 212248), (40, 185717), (43, 172760), (56, 132655), (70, 106124), (86, 86380), (140, 53062), (172, 43190), (215, 34552), (280, 26531), (301, 24680), (344, 21595), (430, 17276), (602, 12340), (617, 12040), (860, 8638), (1204, 6170), (1234, 6020), (1505, 4936), (1720, 4319), (2408, 3085), (2468, 3010)]