31252080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 97520544

約数和(自身を除く): 66268464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 661, 788, 985, 1182, 1322, 1576, 1970, 1983, 2364, 2644, 2955, 3152, 3305, 3940, 3966, 4728, 5288, 5910, 6610, 7880, 7932, 9456, 9915, 10576, 11820, 13220, 15760, 15864, 19830, 23640, 26440, 31728, 39660, 47280, 52880, 79320, 130217, 158640, 260434, 390651, 520868, 651085, 781302, 1041736, 1302170, 1562604, 1953255, 2083472, 2604340, 3125208, 3906510, 5208680, 6250416, 7813020, 10417360, 15626040, 31252080]

約数ペア:

[(1, 31252080), (2, 15626040), (3, 10417360), (4, 7813020), (5, 6250416), (6, 5208680), (8, 3906510), (10, 3125208), (12, 2604340), (15, 2083472), (16, 1953255), (20, 1562604), (24, 1302170), (30, 1041736), (40, 781302), (48, 651085), (60, 520868), (80, 390651), (120, 260434), (197, 158640), (240, 130217), (394, 79320), (591, 52880), (661, 47280), (788, 39660), (985, 31728), (1182, 26440), (1322, 23640), (1576, 19830), (1970, 15864), (1983, 15760), (2364, 13220), (2644, 11820), (2955, 10576), (3152, 9915), (3305, 9456), (3940, 7932), (3966, 7880), (4728, 6610), (5288, 5910)]