218939640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11621}}^1$

素因数の和:11792

約数の個数: 64

約数和(自身を含む): 661059360

約数和(自身を除く): 442119720

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, 3140, 3768, 4710, 6280, 9420, 11621, 18840, 23242, 34863, 46484, 58105, 69726, 92968, 116210, 139452, 174315, 232420, 278904, 348630, 464840, 697260, 1394520, 1824497, 3648994, 5473491, 7297988, 9122485, 10946982, 14595976, 18244970, 21893964, 27367455, 36489940, 43787928, 54734910, 72979880, 109469820, 218939640]

約数ペア:

[(1, 218939640), (2, 109469820), (3, 72979880), (4, 54734910), (5, 43787928), (6, 36489940), (8, 27367455), (10, 21893964), (12, 18244970), (15, 14595976), (20, 10946982), (24, 9122485), (30, 7297988), (40, 5473491), (60, 3648994), (120, 1824497), (157, 1394520), (314, 697260), (471, 464840), (628, 348630), (785, 278904), (942, 232420), (1256, 174315), (1570, 139452), (1884, 116210), (2355, 92968), (3140, 69726), (3768, 58105), (4710, 46484), (6280, 34863), (9420, 23242), (11621, 18840)]