40800120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7964

約数の個数: 64

約数和(自身を含む): 125262720

約数和(自身を除く): 84462600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 7907, 15814, 23721, 31628, 39535, 47442, 63256, 79070, 94884, 118605, 158140, 189768, 237210, 316280, 340001, 474420, 680002, 948840, 1020003, 1360004, 1700005, 2040006, 2720008, 3400010, 4080012, 5100015, 6800020, 8160024, 10200030, 13600040, 20400060, 40800120]

約数ペア:

[(1, 40800120), (2, 20400060), (3, 13600040), (4, 10200030), (5, 8160024), (6, 6800020), (8, 5100015), (10, 4080012), (12, 3400010), (15, 2720008), (20, 2040006), (24, 1700005), (30, 1360004), (40, 1020003), (43, 948840), (60, 680002), (86, 474420), (120, 340001), (129, 316280), (172, 237210), (215, 189768), (258, 158140), (344, 118605), (430, 94884), (516, 79070), (645, 63256), (860, 47442), (1032, 39535), (1290, 31628), (1720, 23721), (2580, 15814), (5160, 7907)]