72072560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 120772240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 719, 895, 1253, 1432, 1438, 1790, 2506, 2864, 2876, 3580, 3595, 5012, 5033, 5752, 6265, 7160, 7190, 10024, 10066, 11504, 12530, 14320, 14380, 20048, 20132, 25060, 25165, 28760, 40264, 50120, 50330, 57520, 80528, 100240, 100660, 128701, 201320, 257402, 402640, 514804, 643505, 900907, 1029608, 1287010, 1801814, 2059216, 2574020, 3603628, 4504535, 5148040, 7207256, 9009070, 10296080, 14414512, 18018140, 36036280, 72072560]

約数ペア:

[(1, 72072560), (2, 36036280), (4, 18018140), (5, 14414512), (7, 10296080), (8, 9009070), (10, 7207256), (14, 5148040), (16, 4504535), (20, 3603628), (28, 2574020), (35, 2059216), (40, 1801814), (56, 1287010), (70, 1029608), (80, 900907), (112, 643505), (140, 514804), (179, 402640), (280, 257402), (358, 201320), (560, 128701), (716, 100660), (719, 100240), (895, 80528), (1253, 57520), (1432, 50330), (1438, 50120), (1790, 40264), (2506, 28760), (2864, 25165), (2876, 25060), (3580, 20132), (3595, 20048), (5012, 14380), (5033, 14320), (5752, 12530), (6265, 11504), (7160, 10066), (7190, 10024)]