15652660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 34013952

約数和(自身を除く): 18361292

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 151, 284, 292, 302, 355, 365, 604, 710, 730, 755, 1420, 1460, 1510, 3020, 5183, 10366, 10721, 11023, 20732, 21442, 22046, 25915, 42884, 44092, 51830, 53605, 55115, 103660, 107210, 110230, 214420, 220460, 782633, 1565266, 3130532, 3913165, 7826330, 15652660]

約数ペア:

[(1, 15652660), (2, 7826330), (4, 3913165), (5, 3130532), (10, 1565266), (20, 782633), (71, 220460), (73, 214420), (142, 110230), (146, 107210), (151, 103660), (284, 55115), (292, 53605), (302, 51830), (355, 44092), (365, 42884), (604, 25915), (710, 22046), (730, 21442), (755, 20732), (1420, 11023), (1460, 10721), (1510, 10366), (3020, 5183)]