72340240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 194273280

約数和(自身を除く): 121933040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1279, 1414, 1616, 2020, 2558, 2828, 3535, 4040, 5116, 5656, 6395, 7070, 8080, 8953, 10232, 11312, 12790, 14140, 17906, 20464, 25580, 28280, 35812, 44765, 51160, 56560, 71624, 89530, 102320, 129179, 143248, 179060, 258358, 358120, 516716, 645895, 716240, 904253, 1033432, 1291790, 1808506, 2066864, 2583580, 3617012, 4521265, 5167160, 7234024, 9042530, 10334320, 14468048, 18085060, 36170120, 72340240]

約数ペア:

[(1, 72340240), (2, 36170120), (4, 18085060), (5, 14468048), (7, 10334320), (8, 9042530), (10, 7234024), (14, 5167160), (16, 4521265), (20, 3617012), (28, 2583580), (35, 2066864), (40, 1808506), (56, 1291790), (70, 1033432), (80, 904253), (101, 716240), (112, 645895), (140, 516716), (202, 358120), (280, 258358), (404, 179060), (505, 143248), (560, 129179), (707, 102320), (808, 89530), (1010, 71624), (1279, 56560), (1414, 51160), (1616, 44765), (2020, 35812), (2558, 28280), (2828, 25580), (3535, 20464), (4040, 17906), (5116, 14140), (5656, 12790), (6395, 11312), (7070, 10232), (8080, 8953)]