15745020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 44263968

約数和(自身を除く): 28518948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 661, 794, 1191, 1322, 1588, 1983, 1985, 2382, 2644, 3305, 3966, 3970, 4764, 5955, 6610, 7932, 7940, 9915, 11910, 13220, 19830, 23820, 39660, 262417, 524834, 787251, 1049668, 1312085, 1574502, 2624170, 3149004, 3936255, 5248340, 7872510, 15745020]

約数ペア:

[(1, 15745020), (2, 7872510), (3, 5248340), (4, 3936255), (5, 3149004), (6, 2624170), (10, 1574502), (12, 1312085), (15, 1049668), (20, 787251), (30, 524834), (60, 262417), (397, 39660), (661, 23820), (794, 19830), (1191, 13220), (1322, 11910), (1588, 9915), (1983, 7940), (1985, 7932), (2382, 6610), (2644, 5955), (3305, 4764), (3966, 3970)]