66862740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 215034624

約数和(自身を除く): 148171884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 401, 420, 794, 802, 1191, 1203, 1588, 1604, 1985, 2005, 2382, 2406, 2779, 2807, 3970, 4010, 4764, 4812, 5558, 5614, 5955, 6015, 7940, 8020, 8337, 8421, 11116, 11228, 11910, 12030, 13895, 14035, 16674, 16842, 23820, 24060, 27790, 28070, 33348, 33684, 41685, 42105, 55580, 56140, 83370, 84210, 159197, 166740, 168420, 318394, 477591, 636788, 795985, 955182, 1114379, 1591970, 1910364, 2228758, 2387955, 3183940, 3343137, 4457516, 4775910, 5571895, 6686274, 9551820, 11143790, 13372548, 16715685, 22287580, 33431370, 66862740]

約数ペア:

[(1, 66862740), (2, 33431370), (3, 22287580), (4, 16715685), (5, 13372548), (6, 11143790), (7, 9551820), (10, 6686274), (12, 5571895), (14, 4775910), (15, 4457516), (20, 3343137), (21, 3183940), (28, 2387955), (30, 2228758), (35, 1910364), (42, 1591970), (60, 1114379), (70, 955182), (84, 795985), (105, 636788), (140, 477591), (210, 318394), (397, 168420), (401, 166740), (420, 159197), (794, 84210), (802, 83370), (1191, 56140), (1203, 55580), (1588, 42105), (1604, 41685), (1985, 33684), (2005, 33348), (2382, 28070), (2406, 27790), (2779, 24060), (2807, 23820), (3970, 16842), (4010, 16674), (4764, 14035), (4812, 13895), (5558, 12030), (5614, 11910), (5955, 11228), (6015, 11116), (7940, 8421), (8020, 8337)]