45368680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 117262080

約数和(自身を除く): 71893400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 521, 622, 1042, 1244, 1555, 2084, 2177, 2488, 2605, 3110, 3647, 4168, 4354, 5210, 6220, 7294, 8708, 10420, 10885, 12440, 14588, 17416, 18235, 20840, 21770, 29176, 36470, 43540, 72940, 87080, 145880, 162031, 324062, 648124, 810155, 1134217, 1296248, 1620310, 2268434, 3240620, 4536868, 5671085, 6481240, 9073736, 11342170, 22684340, 45368680]

約数ペア:

[(1, 45368680), (2, 22684340), (4, 11342170), (5, 9073736), (7, 6481240), (8, 5671085), (10, 4536868), (14, 3240620), (20, 2268434), (28, 1620310), (35, 1296248), (40, 1134217), (56, 810155), (70, 648124), (140, 324062), (280, 162031), (311, 145880), (521, 87080), (622, 72940), (1042, 43540), (1244, 36470), (1555, 29176), (2084, 21770), (2177, 20840), (2488, 18235), (2605, 17416), (3110, 14588), (3647, 12440), (4168, 10885), (4354, 10420), (5210, 8708), (6220, 7294)]