51112920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2713}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 154372320

約数和(自身を除く): 103259400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2713, 3140, 3768, 4710, 5426, 6280, 8139, 9420, 10852, 13565, 16278, 18840, 21704, 27130, 32556, 40695, 54260, 65112, 81390, 108520, 162780, 325560, 425941, 851882, 1277823, 1703764, 2129705, 2555646, 3407528, 4259410, 5111292, 6389115, 8518820, 10222584, 12778230, 17037640, 25556460, 51112920]

約数ペア:

[(1, 51112920), (2, 25556460), (3, 17037640), (4, 12778230), (5, 10222584), (6, 8518820), (8, 6389115), (10, 5111292), (12, 4259410), (15, 3407528), (20, 2555646), (24, 2129705), (30, 1703764), (40, 1277823), (60, 851882), (120, 425941), (157, 325560), (314, 162780), (471, 108520), (628, 81390), (785, 65112), (942, 54260), (1256, 40695), (1570, 32556), (1884, 27130), (2355, 21704), (2713, 18840), (3140, 16278), (3768, 13565), (4710, 10852), (5426, 9420), (6280, 8139)]