151212080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 363860640

約数和(自身を除く): 212648560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 389, 430, 452, 565, 688, 778, 860, 904, 1130, 1556, 1720, 1808, 1945, 2260, 3112, 3440, 3890, 4520, 4859, 6224, 7780, 9040, 9718, 15560, 16727, 19436, 24295, 31120, 33454, 38872, 43957, 48590, 66908, 77744, 83635, 87914, 97180, 133816, 167270, 175828, 194360, 219785, 267632, 334540, 351656, 388720, 439570, 669080, 703312, 879140, 1338160, 1758280, 1890151, 3516560, 3780302, 7560604, 9450755, 15121208, 18901510, 30242416, 37803020, 75606040, 151212080]

約数ペア:

[(1, 151212080), (2, 75606040), (4, 37803020), (5, 30242416), (8, 18901510), (10, 15121208), (16, 9450755), (20, 7560604), (40, 3780302), (43, 3516560), (80, 1890151), (86, 1758280), (113, 1338160), (172, 879140), (215, 703312), (226, 669080), (344, 439570), (389, 388720), (430, 351656), (452, 334540), (565, 267632), (688, 219785), (778, 194360), (860, 175828), (904, 167270), (1130, 133816), (1556, 97180), (1720, 87914), (1808, 83635), (1945, 77744), (2260, 66908), (3112, 48590), (3440, 43957), (3890, 38872), (4520, 33454), (4859, 31120), (6224, 24295), (7780, 19436), (9040, 16727), (9718, 15560)]