12630520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 32947200

約数和(自身を除く): 20316680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 571, 632, 790, 1106, 1142, 1580, 2212, 2284, 2765, 2855, 3160, 3997, 4424, 4568, 5530, 5710, 7994, 11060, 11420, 15988, 19985, 22120, 22840, 31976, 39970, 45109, 79940, 90218, 159880, 180436, 225545, 315763, 360872, 451090, 631526, 902180, 1263052, 1578815, 1804360, 2526104, 3157630, 6315260, 12630520]

約数ペア:

[(1, 12630520), (2, 6315260), (4, 3157630), (5, 2526104), (7, 1804360), (8, 1578815), (10, 1263052), (14, 902180), (20, 631526), (28, 451090), (35, 360872), (40, 315763), (56, 225545), (70, 180436), (79, 159880), (140, 90218), (158, 79940), (280, 45109), (316, 39970), (395, 31976), (553, 22840), (571, 22120), (632, 19985), (790, 15988), (1106, 11420), (1142, 11060), (1580, 7994), (2212, 5710), (2284, 5530), (2765, 4568), (2855, 4424), (3160, 3997)]