1296207920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{8179}}^1$

素因数の和:8482

約数の個数: 80

約数和(自身を含む): 3456802560

約数和(自身を除く): 2160594640

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, 1132, 1415, 1981, 2264, 2830, 3962, 4528, 5660, 7924, 8179, 9905, 11320, 15848, 16358, 19810, 22640, 31696, 32716, 39620, 40895, 57253, 65432, 79240, 81790, 114506, 130864, 158480, 163580, 229012, 286265, 327160, 458024, 572530, 654320, 916048, 1145060, 2290120, 2314657, 4580240, 4629314, 9258628, 11573285, 16202599, 18517256, 23146570, 32405198, 37034512, 46293140, 64810396, 81012995, 92586280, 129620792, 162025990, 185172560, 259241584, 324051980, 648103960, 1296207920]

約数ペア:

[(1, 1296207920), (2, 648103960), (4, 324051980), (5, 259241584), (7, 185172560), (8, 162025990), (10, 129620792), (14, 92586280), (16, 81012995), (20, 64810396), (28, 46293140), (35, 37034512), (40, 32405198), (56, 23146570), (70, 18517256), (80, 16202599), (112, 11573285), (140, 9258628), (280, 4629314), (283, 4580240), (560, 2314657), (566, 2290120), (1132, 1145060), (1415, 916048), (1981, 654320), (2264, 572530), (2830, 458024), (3962, 327160), (4528, 286265), (5660, 229012), (7924, 163580), (8179, 158480), (9905, 130864), (11320, 114506), (15848, 81790), (16358, 79240), (19810, 65432), (22640, 57253), (31696, 40895), (32716, 39620)]