68609960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 164721600

約数和(自身を除く): 96111640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 619, 652, 680, 815, 1238, 1304, 1630, 2476, 2771, 3095, 3260, 4952, 5542, 6190, 6520, 10523, 11084, 12380, 13855, 21046, 22168, 24760, 27710, 42092, 52615, 55420, 84184, 100897, 105230, 110840, 201794, 210460, 403588, 420920, 504485, 807176, 1008970, 1715249, 2017940, 3430498, 4035880, 6860996, 8576245, 13721992, 17152490, 34304980, 68609960]

約数ペア:

[(1, 68609960), (2, 34304980), (4, 17152490), (5, 13721992), (8, 8576245), (10, 6860996), (17, 4035880), (20, 3430498), (34, 2017940), (40, 1715249), (68, 1008970), (85, 807176), (136, 504485), (163, 420920), (170, 403588), (326, 210460), (340, 201794), (619, 110840), (652, 105230), (680, 100897), (815, 84184), (1238, 55420), (1304, 52615), (1630, 42092), (2476, 27710), (2771, 24760), (3095, 22168), (3260, 21046), (4952, 13855), (5542, 12380), (6190, 11084), (6520, 10523)]