15626040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 47187360

約数和(自身を除く): 31561320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 661, 788, 985, 1182, 1322, 1576, 1970, 1983, 2364, 2644, 2955, 3305, 3940, 3966, 4728, 5288, 5910, 6610, 7880, 7932, 9915, 11820, 13220, 15864, 19830, 23640, 26440, 39660, 79320, 130217, 260434, 390651, 520868, 651085, 781302, 1041736, 1302170, 1562604, 1953255, 2604340, 3125208, 3906510, 5208680, 7813020, 15626040]

約数ペア:

[(1, 15626040), (2, 7813020), (3, 5208680), (4, 3906510), (5, 3125208), (6, 2604340), (8, 1953255), (10, 1562604), (12, 1302170), (15, 1041736), (20, 781302), (24, 651085), (30, 520868), (40, 390651), (60, 260434), (120, 130217), (197, 79320), (394, 39660), (591, 26440), (661, 23640), (788, 19830), (985, 15864), (1182, 13220), (1322, 11820), (1576, 9915), (1970, 7932), (1983, 7880), (2364, 6610), (2644, 5910), (2955, 5288), (3305, 4728), (3940, 3966)]