65689960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{829}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 169718400

約数和(自身を除く): 104028440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 829, 1132, 1415, 1658, 1981, 2264, 2830, 3316, 3962, 4145, 5660, 5803, 6632, 7924, 8290, 9905, 11320, 11606, 15848, 16580, 19810, 23212, 29015, 33160, 39620, 46424, 58030, 79240, 116060, 232120, 234607, 469214, 938428, 1173035, 1642249, 1876856, 2346070, 3284498, 4692140, 6568996, 8211245, 9384280, 13137992, 16422490, 32844980, 65689960]

約数ペア:

[(1, 65689960), (2, 32844980), (4, 16422490), (5, 13137992), (7, 9384280), (8, 8211245), (10, 6568996), (14, 4692140), (20, 3284498), (28, 2346070), (35, 1876856), (40, 1642249), (56, 1173035), (70, 938428), (140, 469214), (280, 234607), (283, 232120), (566, 116060), (829, 79240), (1132, 58030), (1415, 46424), (1658, 39620), (1981, 33160), (2264, 29015), (2830, 23212), (3316, 19810), (3962, 16580), (4145, 15848), (5660, 11606), (5803, 11320), (6632, 9905), (7924, 8290)]