15988460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 34909056

約数和(自身を除く): 18920596

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 233, 235, 292, 365, 466, 470, 730, 932, 940, 1165, 1460, 2330, 3431, 4660, 6862, 10951, 13724, 17009, 17155, 21902, 34018, 34310, 43804, 54755, 68036, 68620, 85045, 109510, 170090, 219020, 340180, 799423, 1598846, 3197692, 3997115, 7994230, 15988460]

約数ペア:

[(1, 15988460), (2, 7994230), (4, 3997115), (5, 3197692), (10, 1598846), (20, 799423), (47, 340180), (73, 219020), (94, 170090), (146, 109510), (188, 85045), (233, 68620), (235, 68036), (292, 54755), (365, 43804), (466, 34310), (470, 34018), (730, 21902), (932, 17155), (940, 17009), (1165, 13724), (1460, 10951), (2330, 6862), (3431, 4660)]