2044179990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81409}}^1$

素因数の和:81459

約数の個数: 80

約数和(自身を含む): 5673951360

約数和(自身を除く): 3629771370

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, 8370, 12555, 25110, 81409, 162818, 244227, 407045, 488454, 732681, 814090, 1221135, 1465362, 2198043, 2442270, 2523679, 3663405, 4396086, 5047358, 6594129, 7326810, 7571037, 10990215, 12618395, 13188258, 15142074, 21980430, 22713111, 25236790, 32970645, 37855185, 45426222, 65941290, 68139333, 75710370, 113565555, 136278666, 204417999, 227131110, 340696665, 408835998, 681393330, 1022089995, 2044179990]

約数ペア:

[(1, 2044179990), (2, 1022089995), (3, 681393330), (5, 408835998), (6, 340696665), (9, 227131110), (10, 204417999), (15, 136278666), (18, 113565555), (27, 75710370), (30, 68139333), (31, 65941290), (45, 45426222), (54, 37855185), (62, 32970645), (81, 25236790), (90, 22713111), (93, 21980430), (135, 15142074), (155, 13188258), (162, 12618395), (186, 10990215), (270, 7571037), (279, 7326810), (310, 6594129), (405, 5047358), (465, 4396086), (558, 3663405), (810, 2523679), (837, 2442270), (930, 2198043), (1395, 1465362), (1674, 1221135), (2511, 814090), (2790, 732681), (4185, 488454), (5022, 407045), (8370, 244227), (12555, 162818), (25110, 81409)]