71391760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2672

約数の個数: 80

約数和(自身を含む): 186988032

約数和(自身を除く): 115596272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2617, 2728, 3410, 5234, 5456, 6820, 10468, 13085, 13640, 20936, 26170, 27280, 28787, 41872, 52340, 57574, 81127, 104680, 115148, 143935, 162254, 209360, 230296, 287870, 324508, 405635, 460592, 575740, 649016, 811270, 892397, 1151480, 1298032, 1622540, 1784794, 2302960, 3245080, 3569588, 4461985, 6490160, 7139176, 8923970, 14278352, 17847940, 35695880, 71391760]

約数ペア:

[(1, 71391760), (2, 35695880), (4, 17847940), (5, 14278352), (8, 8923970), (10, 7139176), (11, 6490160), (16, 4461985), (20, 3569588), (22, 3245080), (31, 2302960), (40, 1784794), (44, 1622540), (55, 1298032), (62, 1151480), (80, 892397), (88, 811270), (110, 649016), (124, 575740), (155, 460592), (176, 405635), (220, 324508), (248, 287870), (310, 230296), (341, 209360), (440, 162254), (496, 143935), (620, 115148), (682, 104680), (880, 81127), (1240, 57574), (1364, 52340), (1705, 41872), (2480, 28787), (2617, 27280), (2728, 26170), (3410, 20936), (5234, 13640), (5456, 13085), (6820, 10468)]