80556560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1483}}^1$

素因数の和:1600

約数の個数: 80

約数和(自身を含む): 216402816

約数和(自身を除く): 135846256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1483, 1552, 1940, 2716, 2966, 3395, 3880, 5432, 5932, 6790, 7415, 7760, 10381, 10864, 11864, 13580, 14830, 20762, 23728, 27160, 29660, 41524, 51905, 54320, 59320, 83048, 103810, 118640, 143851, 166096, 207620, 287702, 415240, 575404, 719255, 830480, 1006957, 1150808, 1438510, 2013914, 2301616, 2877020, 4027828, 5034785, 5754040, 8055656, 10069570, 11508080, 16111312, 20139140, 40278280, 80556560]

約数ペア:

[(1, 80556560), (2, 40278280), (4, 20139140), (5, 16111312), (7, 11508080), (8, 10069570), (10, 8055656), (14, 5754040), (16, 5034785), (20, 4027828), (28, 2877020), (35, 2301616), (40, 2013914), (56, 1438510), (70, 1150808), (80, 1006957), (97, 830480), (112, 719255), (140, 575404), (194, 415240), (280, 287702), (388, 207620), (485, 166096), (560, 143851), (679, 118640), (776, 103810), (970, 83048), (1358, 59320), (1483, 54320), (1552, 51905), (1940, 41524), (2716, 29660), (2966, 27160), (3395, 23728), (3880, 20762), (5432, 14830), (5932, 13580), (6790, 11864), (7415, 10864), (7760, 10381)]