18612120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3607}}^1$

素因数の和:3664

約数の個数: 64

約数和(自身を含む): 57150720

約数和(自身を除く): 38538600

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, 3607, 5160, 7214, 10821, 14428, 18035, 21642, 28856, 36070, 43284, 54105, 72140, 86568, 108210, 144280, 155101, 216420, 310202, 432840, 465303, 620404, 775505, 930606, 1240808, 1551010, 1861212, 2326515, 3102020, 3722424, 4653030, 6204040, 9306060, 18612120]

約数ペア:

[(1, 18612120), (2, 9306060), (3, 6204040), (4, 4653030), (5, 3722424), (6, 3102020), (8, 2326515), (10, 1861212), (12, 1551010), (15, 1240808), (20, 930606), (24, 775505), (30, 620404), (40, 465303), (43, 432840), (60, 310202), (86, 216420), (120, 155101), (129, 144280), (172, 108210), (215, 86568), (258, 72140), (344, 54105), (430, 43284), (516, 36070), (645, 28856), (860, 21642), (1032, 18035), (1290, 14428), (1720, 10821), (2580, 7214), (3607, 5160)]