7663880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 19975680

約数和(自身を除く): 12311800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 271, 280, 404, 505, 542, 707, 808, 1010, 1084, 1355, 1414, 1897, 2020, 2168, 2710, 2828, 3535, 3794, 4040, 5420, 5656, 7070, 7588, 9485, 10840, 14140, 15176, 18970, 27371, 28280, 37940, 54742, 75880, 109484, 136855, 191597, 218968, 273710, 383194, 547420, 766388, 957985, 1094840, 1532776, 1915970, 3831940, 7663880]

約数ペア:

[(1, 7663880), (2, 3831940), (4, 1915970), (5, 1532776), (7, 1094840), (8, 957985), (10, 766388), (14, 547420), (20, 383194), (28, 273710), (35, 218968), (40, 191597), (56, 136855), (70, 109484), (101, 75880), (140, 54742), (202, 37940), (271, 28280), (280, 27371), (404, 18970), (505, 15176), (542, 14140), (707, 10840), (808, 9485), (1010, 7588), (1084, 7070), (1355, 5656), (1414, 5420), (1897, 4040), (2020, 3794), (2168, 3535), (2710, 2828)]