65816940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156707}}^1$

素因数の和:156726

約数の個数: 48

約数和(自身を含む): 210615552

約数和(自身を除く): 144798612

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, 420, 156707, 313414, 470121, 626828, 783535, 940242, 1096949, 1567070, 1880484, 2193898, 2350605, 3134140, 3290847, 4387796, 4701210, 5484745, 6581694, 9402420, 10969490, 13163388, 16454235, 21938980, 32908470, 65816940]

約数ペア:

[(1, 65816940), (2, 32908470), (3, 21938980), (4, 16454235), (5, 13163388), (6, 10969490), (7, 9402420), (10, 6581694), (12, 5484745), (14, 4701210), (15, 4387796), (20, 3290847), (21, 3134140), (28, 2350605), (30, 2193898), (35, 1880484), (42, 1567070), (60, 1096949), (70, 940242), (84, 783535), (105, 626828), (140, 470121), (210, 313414), (420, 156707)]