218820120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42407}}^1$

素因数の和:42464

約数の個数: 64

約数和(自身を含む): 671742720

約数和(自身を除く): 452922600

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, 42407, 84814, 127221, 169628, 212035, 254442, 339256, 424070, 508884, 636105, 848140, 1017768, 1272210, 1696280, 1823501, 2544420, 3647002, 5088840, 5470503, 7294004, 9117505, 10941006, 14588008, 18235010, 21882012, 27352515, 36470020, 43764024, 54705030, 72940040, 109410060, 218820120]

約数ペア:

[(1, 218820120), (2, 109410060), (3, 72940040), (4, 54705030), (5, 43764024), (6, 36470020), (8, 27352515), (10, 21882012), (12, 18235010), (15, 14588008), (20, 10941006), (24, 9117505), (30, 7294004), (40, 5470503), (43, 5088840), (60, 3647002), (86, 2544420), (120, 1823501), (129, 1696280), (172, 1272210), (215, 1017768), (258, 848140), (344, 636105), (430, 508884), (516, 424070), (645, 339256), (860, 254442), (1032, 212035), (1290, 169628), (1720, 127221), (2580, 84814), (5160, 42407)]