90737360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 242341632

約数和(自身を除く): 151604272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 521, 560, 622, 1042, 1244, 1555, 2084, 2177, 2488, 2605, 3110, 3647, 4168, 4354, 4976, 5210, 6220, 7294, 8336, 8708, 10420, 10885, 12440, 14588, 17416, 18235, 20840, 21770, 24880, 29176, 34832, 36470, 41680, 43540, 58352, 72940, 87080, 145880, 162031, 174160, 291760, 324062, 648124, 810155, 1134217, 1296248, 1620310, 2268434, 2592496, 3240620, 4536868, 5671085, 6481240, 9073736, 11342170, 12962480, 18147472, 22684340, 45368680, 90737360]

約数ペア:

[(1, 90737360), (2, 45368680), (4, 22684340), (5, 18147472), (7, 12962480), (8, 11342170), (10, 9073736), (14, 6481240), (16, 5671085), (20, 4536868), (28, 3240620), (35, 2592496), (40, 2268434), (56, 1620310), (70, 1296248), (80, 1134217), (112, 810155), (140, 648124), (280, 324062), (311, 291760), (521, 174160), (560, 162031), (622, 145880), (1042, 87080), (1244, 72940), (1555, 58352), (2084, 43540), (2177, 41680), (2488, 36470), (2605, 34832), (3110, 29176), (3647, 24880), (4168, 21770), (4354, 20840), (4976, 18235), (5210, 17416), (6220, 14588), (7294, 12440), (8336, 10885), (8708, 10420)]