18147720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3517}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 55725120

約数和(自身を除く): 37577400

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, 3517, 5160, 7034, 10551, 14068, 17585, 21102, 28136, 35170, 42204, 52755, 70340, 84408, 105510, 140680, 151231, 211020, 302462, 422040, 453693, 604924, 756155, 907386, 1209848, 1512310, 1814772, 2268465, 3024620, 3629544, 4536930, 6049240, 9073860, 18147720]

約数ペア:

[(1, 18147720), (2, 9073860), (3, 6049240), (4, 4536930), (5, 3629544), (6, 3024620), (8, 2268465), (10, 1814772), (12, 1512310), (15, 1209848), (20, 907386), (24, 756155), (30, 604924), (40, 453693), (43, 422040), (60, 302462), (86, 211020), (120, 151231), (129, 140680), (172, 105510), (215, 84408), (258, 70340), (344, 52755), (430, 42204), (516, 35170), (645, 28136), (860, 21102), (1032, 17585), (1290, 14068), (1720, 10551), (2580, 7034), (3517, 5160)]