71484240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 223200000

約数和(自身を除く): 151715760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 894, 1192, 1490, 1788, 1999, 2235, 2384, 2980, 3576, 3998, 4470, 5960, 5997, 7152, 7996, 8940, 9995, 11920, 11994, 15992, 17880, 19990, 23988, 29985, 31984, 35760, 39980, 47976, 59970, 79960, 95952, 119940, 159920, 239880, 297851, 479760, 595702, 893553, 1191404, 1489255, 1787106, 2382808, 2978510, 3574212, 4467765, 4765616, 5957020, 7148424, 8935530, 11914040, 14296848, 17871060, 23828080, 35742120, 71484240]

約数ペア:

[(1, 71484240), (2, 35742120), (3, 23828080), (4, 17871060), (5, 14296848), (6, 11914040), (8, 8935530), (10, 7148424), (12, 5957020), (15, 4765616), (16, 4467765), (20, 3574212), (24, 2978510), (30, 2382808), (40, 1787106), (48, 1489255), (60, 1191404), (80, 893553), (120, 595702), (149, 479760), (240, 297851), (298, 239880), (447, 159920), (596, 119940), (745, 95952), (894, 79960), (1192, 59970), (1490, 47976), (1788, 39980), (1999, 35760), (2235, 31984), (2384, 29985), (2980, 23988), (3576, 19990), (3998, 17880), (4470, 15992), (5960, 11994), (5997, 11920), (7152, 9995), (7996, 8940)]