81166160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 205339536

約数和(自身を除く): 124173376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1480, 1613, 2516, 2960, 3145, 3226, 5032, 6290, 6452, 8065, 10064, 12580, 12904, 16130, 25160, 25808, 27421, 32260, 50320, 54842, 59681, 64520, 109684, 119362, 129040, 137105, 219368, 238724, 274210, 298405, 438736, 477448, 548420, 596810, 954896, 1014577, 1096840, 1193620, 2029154, 2193680, 2387240, 4058308, 4774480, 5072885, 8116616, 10145770, 16233232, 20291540, 40583080, 81166160]

約数ペア:

[(1, 81166160), (2, 40583080), (4, 20291540), (5, 16233232), (8, 10145770), (10, 8116616), (16, 5072885), (17, 4774480), (20, 4058308), (34, 2387240), (37, 2193680), (40, 2029154), (68, 1193620), (74, 1096840), (80, 1014577), (85, 954896), (136, 596810), (148, 548420), (170, 477448), (185, 438736), (272, 298405), (296, 274210), (340, 238724), (370, 219368), (592, 137105), (629, 129040), (680, 119362), (740, 109684), (1258, 64520), (1360, 59681), (1480, 54842), (1613, 50320), (2516, 32260), (2960, 27421), (3145, 25808), (3226, 25160), (5032, 16130), (6290, 12904), (6452, 12580), (8065, 10064)]