90175120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 240877440

約数和(自身を除く): 150702320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 569, 1132, 1138, 1415, 1981, 2264, 2276, 2830, 2845, 3962, 3983, 4528, 4552, 5660, 5690, 7924, 7966, 9104, 9905, 11320, 11380, 15848, 15932, 19810, 19915, 22640, 22760, 31696, 31864, 39620, 39830, 45520, 63728, 79240, 79660, 158480, 159320, 161027, 318640, 322054, 644108, 805135, 1127189, 1288216, 1610270, 2254378, 2576432, 3220540, 4508756, 5635945, 6441080, 9017512, 11271890, 12882160, 18035024, 22543780, 45087560, 90175120]

約数ペア:

[(1, 90175120), (2, 45087560), (4, 22543780), (5, 18035024), (7, 12882160), (8, 11271890), (10, 9017512), (14, 6441080), (16, 5635945), (20, 4508756), (28, 3220540), (35, 2576432), (40, 2254378), (56, 1610270), (70, 1288216), (80, 1127189), (112, 805135), (140, 644108), (280, 322054), (283, 318640), (560, 161027), (566, 159320), (569, 158480), (1132, 79660), (1138, 79240), (1415, 63728), (1981, 45520), (2264, 39830), (2276, 39620), (2830, 31864), (2845, 31696), (3962, 22760), (3983, 22640), (4528, 19915), (4552, 19810), (5660, 15932), (5690, 15848), (7924, 11380), (7966, 11320), (9104, 9905)]