81675810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 218655360

約数和(自身を除く): 136979550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 373, 746, 811, 1119, 1622, 1865, 2238, 2433, 3357, 3730, 4055, 4866, 5595, 6714, 7299, 8110, 10071, 11190, 12165, 14598, 16785, 20142, 21897, 24330, 33570, 36495, 43794, 50355, 72990, 100710, 109485, 218970, 302503, 605006, 907509, 1512515, 1815018, 2722527, 3025030, 4537545, 5445054, 8167581, 9075090, 13612635, 16335162, 27225270, 40837905, 81675810]

約数ペア:

[(1, 81675810), (2, 40837905), (3, 27225270), (5, 16335162), (6, 13612635), (9, 9075090), (10, 8167581), (15, 5445054), (18, 4537545), (27, 3025030), (30, 2722527), (45, 1815018), (54, 1512515), (90, 907509), (135, 605006), (270, 302503), (373, 218970), (746, 109485), (811, 100710), (1119, 72990), (1622, 50355), (1865, 43794), (2238, 36495), (2433, 33570), (3357, 24330), (3730, 21897), (4055, 20142), (4866, 16785), (5595, 14598), (6714, 12165), (7299, 11190), (8110, 10071)]