131293960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7687}}^1$

素因数の和:7766

約数の個数: 64

約数和(自身を含む): 343192320

約数和(自身を除く): 211898360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 7687, 8540, 15374, 17080, 30748, 38435, 53809, 61496, 76870, 107618, 153740, 215236, 269045, 307480, 430472, 468907, 538090, 937814, 1076180, 1875628, 2152360, 2344535, 3282349, 3751256, 4689070, 6564698, 9378140, 13129396, 16411745, 18756280, 26258792, 32823490, 65646980, 131293960]

約数ペア:

[(1, 131293960), (2, 65646980), (4, 32823490), (5, 26258792), (7, 18756280), (8, 16411745), (10, 13129396), (14, 9378140), (20, 6564698), (28, 4689070), (35, 3751256), (40, 3282349), (56, 2344535), (61, 2152360), (70, 1875628), (122, 1076180), (140, 937814), (244, 538090), (280, 468907), (305, 430472), (427, 307480), (488, 269045), (610, 215236), (854, 153740), (1220, 107618), (1708, 76870), (2135, 61496), (2440, 53809), (3416, 38435), (4270, 30748), (7687, 17080), (8540, 15374)]