64996540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2287}}^1$

素因数の和:2339

約数の個数: 72

約数和(自身を含む): 164324160

約数和(自身を除く): 99327620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2287, 2842, 4060, 4574, 5684, 7105, 9148, 11435, 14210, 16009, 22870, 28420, 32018, 45740, 64036, 66323, 80045, 112063, 132646, 160090, 224126, 265292, 320180, 331615, 448252, 464261, 560315, 663230, 928522, 1120630, 1326460, 1857044, 2241260, 2321305, 3249827, 4642610, 6499654, 9285220, 12999308, 16249135, 32498270, 64996540]

約数ペア:

[(1, 64996540), (2, 32498270), (4, 16249135), (5, 12999308), (7, 9285220), (10, 6499654), (14, 4642610), (20, 3249827), (28, 2321305), (29, 2241260), (35, 1857044), (49, 1326460), (58, 1120630), (70, 928522), (98, 663230), (116, 560315), (140, 464261), (145, 448252), (196, 331615), (203, 320180), (245, 265292), (290, 224126), (406, 160090), (490, 132646), (580, 112063), (812, 80045), (980, 66323), (1015, 64036), (1421, 45740), (2030, 32018), (2287, 28420), (2842, 22870), (4060, 16009), (4574, 14210), (5684, 11435), (7105, 9148)]