8681960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 22619520

約数和(自身を除く): 13937560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 307, 404, 505, 614, 707, 808, 1010, 1228, 1414, 1535, 2020, 2149, 2456, 2828, 3070, 3535, 4040, 4298, 5656, 6140, 7070, 8596, 10745, 12280, 14140, 17192, 21490, 28280, 31007, 42980, 62014, 85960, 124028, 155035, 217049, 248056, 310070, 434098, 620140, 868196, 1085245, 1240280, 1736392, 2170490, 4340980, 8681960]

約数ペア:

[(1, 8681960), (2, 4340980), (4, 2170490), (5, 1736392), (7, 1240280), (8, 1085245), (10, 868196), (14, 620140), (20, 434098), (28, 310070), (35, 248056), (40, 217049), (56, 155035), (70, 124028), (101, 85960), (140, 62014), (202, 42980), (280, 31007), (307, 28280), (404, 21490), (505, 17192), (614, 14140), (707, 12280), (808, 10745), (1010, 8596), (1228, 7070), (1414, 6140), (1535, 5656), (2020, 4298), (2149, 4040), (2456, 3535), (2828, 3070)]