17748680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 25589560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 607, 680, 731, 860, 1214, 1462, 1720, 2428, 2924, 3035, 3655, 4856, 5848, 6070, 7310, 10319, 12140, 14620, 20638, 24280, 26101, 29240, 41276, 51595, 52202, 82552, 103190, 104404, 130505, 206380, 208808, 261010, 412760, 443717, 522020, 887434, 1044040, 1774868, 2218585, 3549736, 4437170, 8874340, 17748680]

約数ペア:

[(1, 17748680), (2, 8874340), (4, 4437170), (5, 3549736), (8, 2218585), (10, 1774868), (17, 1044040), (20, 887434), (34, 522020), (40, 443717), (43, 412760), (68, 261010), (85, 208808), (86, 206380), (136, 130505), (170, 104404), (172, 103190), (215, 82552), (340, 52202), (344, 51595), (430, 41276), (607, 29240), (680, 26101), (731, 24280), (860, 20638), (1214, 14620), (1462, 12140), (1720, 10319), (2428, 7310), (2924, 6070), (3035, 5848), (3655, 4856)]