638828910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{102871}}^1$

素因数の和:102910

約数の個数: 64

約数和(自身を含む): 1777628160

約数和(自身を除く): 1138799250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 102871, 205742, 308613, 514355, 617226, 925839, 1028710, 1543065, 1851678, 2366033, 2777517, 3086130, 4629195, 4732066, 5555034, 7098099, 9258390, 11830165, 13887585, 14196198, 21294297, 23660330, 27775170, 35490495, 42588594, 63882891, 70980990, 106471485, 127765782, 212942970, 319414455, 638828910]

約数ペア:

[(1, 638828910), (2, 319414455), (3, 212942970), (5, 127765782), (6, 106471485), (9, 70980990), (10, 63882891), (15, 42588594), (18, 35490495), (23, 27775170), (27, 23660330), (30, 21294297), (45, 14196198), (46, 13887585), (54, 11830165), (69, 9258390), (90, 7098099), (115, 5555034), (135, 4732066), (138, 4629195), (207, 3086130), (230, 2777517), (270, 2366033), (345, 1851678), (414, 1543065), (621, 1028710), (690, 925839), (1035, 617226), (1242, 514355), (2070, 308613), (3105, 205742), (6210, 102871)]