205173810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8171}}^1$

素因数の和:8221

約数の個数: 80

約数和(自身を含む): 569555712

約数和(自身を除く): 364381902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 8171, 8370, 12555, 16342, 24513, 25110, 40855, 49026, 73539, 81710, 122565, 147078, 220617, 245130, 253301, 367695, 441234, 506602, 661851, 735390, 759903, 1103085, 1266505, 1323702, 1519806, 2206170, 2279709, 2533010, 3309255, 3799515, 4559418, 6618510, 6839127, 7599030, 11398545, 13678254, 20517381, 22797090, 34195635, 41034762, 68391270, 102586905, 205173810]

約数ペア:

[(1, 205173810), (2, 102586905), (3, 68391270), (5, 41034762), (6, 34195635), (9, 22797090), (10, 20517381), (15, 13678254), (18, 11398545), (27, 7599030), (30, 6839127), (31, 6618510), (45, 4559418), (54, 3799515), (62, 3309255), (81, 2533010), (90, 2279709), (93, 2206170), (135, 1519806), (155, 1323702), (162, 1266505), (186, 1103085), (270, 759903), (279, 735390), (310, 661851), (405, 506602), (465, 441234), (558, 367695), (810, 253301), (837, 245130), (930, 220617), (1395, 147078), (1674, 122565), (2511, 81710), (2790, 73539), (4185, 49026), (5022, 40855), (8171, 25110), (8370, 24513), (12555, 16342)]