74978120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 193622400

約数和(自身を除く): 118644280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 809, 1324, 1618, 1655, 2317, 2648, 3236, 3310, 4045, 4634, 5663, 6472, 6620, 8090, 9268, 11326, 11585, 13240, 16180, 18536, 22652, 23170, 28315, 32360, 45304, 46340, 56630, 92680, 113260, 226520, 267779, 535558, 1071116, 1338895, 1874453, 2142232, 2677790, 3748906, 5355580, 7497812, 9372265, 10711160, 14995624, 18744530, 37489060, 74978120]

約数ペア:

[(1, 74978120), (2, 37489060), (4, 18744530), (5, 14995624), (7, 10711160), (8, 9372265), (10, 7497812), (14, 5355580), (20, 3748906), (28, 2677790), (35, 2142232), (40, 1874453), (56, 1338895), (70, 1071116), (140, 535558), (280, 267779), (331, 226520), (662, 113260), (809, 92680), (1324, 56630), (1618, 46340), (1655, 45304), (2317, 32360), (2648, 28315), (3236, 23170), (3310, 22652), (4045, 18536), (4634, 16180), (5663, 13240), (6472, 11585), (6620, 11326), (8090, 9268)]