661710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 1907712

約数和(自身を除く): 1246002

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 137, 138, 161, 210, 230, 274, 322, 345, 411, 483, 685, 690, 805, 822, 959, 966, 1370, 1610, 1918, 2055, 2415, 2877, 3151, 4110, 4795, 4830, 5754, 6302, 9453, 9590, 14385, 15755, 18906, 22057, 28770, 31510, 44114, 47265, 66171, 94530, 110285, 132342, 220570, 330855, 661710]

約数ペア:

[(1, 661710), (2, 330855), (3, 220570), (5, 132342), (6, 110285), (7, 94530), (10, 66171), (14, 47265), (15, 44114), (21, 31510), (23, 28770), (30, 22057), (35, 18906), (42, 15755), (46, 14385), (69, 9590), (70, 9453), (105, 6302), (115, 5754), (137, 4830), (138, 4795), (161, 4110), (210, 3151), (230, 2877), (274, 2415), (322, 2055), (345, 1918), (411, 1610), (483, 1370), (685, 966), (690, 959), (805, 822)]