31928120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 82987200

約数和(自身を除く): 51059080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1129, 1414, 2020, 2258, 2828, 3535, 4040, 4516, 5645, 5656, 7070, 7903, 9032, 11290, 14140, 15806, 22580, 28280, 31612, 39515, 45160, 63224, 79030, 114029, 158060, 228058, 316120, 456116, 570145, 798203, 912232, 1140290, 1596406, 2280580, 3192812, 3991015, 4561160, 6385624, 7982030, 15964060, 31928120]

約数ペア:

[(1, 31928120), (2, 15964060), (4, 7982030), (5, 6385624), (7, 4561160), (8, 3991015), (10, 3192812), (14, 2280580), (20, 1596406), (28, 1140290), (35, 912232), (40, 798203), (56, 570145), (70, 456116), (101, 316120), (140, 228058), (202, 158060), (280, 114029), (404, 79030), (505, 63224), (707, 45160), (808, 39515), (1010, 31612), (1129, 28280), (1414, 22580), (2020, 15806), (2258, 14140), (2828, 11290), (3535, 9032), (4040, 7903), (4516, 7070), (5645, 5656)]