1478889287620

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6131}}^1\times {\mathrm{18757}}^1$

素因数の和:25540

約数の個数: 48

約数和(自身を含む): 3111170666688

約数和(自身を除く): 1632281379068

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6131, 6430, 12262, 12860, 18757, 24524, 30655, 37514, 61310, 75028, 93785, 122620, 187570, 375140, 3942233, 7884466, 12060751, 15768932, 19711165, 24121502, 39422330, 48243004, 60303755, 78844660, 114999167, 120607510, 229998334, 241215020, 459996668, 574995835, 1149991670, 2299983340, 73944464381, 147888928762, 295777857524, 369722321905, 739444643810, 1478889287620]

約数ペア:

[(1, 1478889287620), (2, 739444643810), (4, 369722321905), (5, 295777857524), (10, 147888928762), (20, 73944464381), (643, 2299983340), (1286, 1149991670), (2572, 574995835), (3215, 459996668), (6131, 241215020), (6430, 229998334), (12262, 120607510), (12860, 114999167), (18757, 78844660), (24524, 60303755), (30655, 48243004), (37514, 39422330), (61310, 24121502), (75028, 19711165), (93785, 15768932), (122620, 12060751), (187570, 7884466), (375140, 3942233)]