31895760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10223}}^1$

素因数の和:10252

約数の個数: 80

約数和(自身を含む): 106493184

約数和(自身を除く): 74597424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10223, 20446, 30669, 40892, 51115, 61338, 81784, 102230, 122676, 132899, 153345, 163568, 204460, 245352, 265798, 306690, 398697, 408920, 490704, 531596, 613380, 664495, 797394, 817840, 1063192, 1226760, 1328990, 1594788, 1993485, 2126384, 2453520, 2657980, 3189576, 3986970, 5315960, 6379152, 7973940, 10631920, 15947880, 31895760]

約数ペア:

[(1, 31895760), (2, 15947880), (3, 10631920), (4, 7973940), (5, 6379152), (6, 5315960), (8, 3986970), (10, 3189576), (12, 2657980), (13, 2453520), (15, 2126384), (16, 1993485), (20, 1594788), (24, 1328990), (26, 1226760), (30, 1063192), (39, 817840), (40, 797394), (48, 664495), (52, 613380), (60, 531596), (65, 490704), (78, 408920), (80, 398697), (104, 306690), (120, 265798), (130, 245352), (156, 204460), (195, 163568), (208, 153345), (240, 132899), (260, 122676), (312, 102230), (390, 81784), (520, 61338), (624, 51115), (780, 40892), (1040, 30669), (1560, 20446), (3120, 10223)]