204084180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1381}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 620258184

約数和(自身を除く): 416174004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 821, 1381, 1642, 2463, 2762, 3284, 4105, 4143, 4926, 5524, 6905, 7389, 8210, 8286, 9852, 12315, 12429, 13810, 14778, 16420, 16572, 20715, 24630, 24858, 27620, 29556, 36945, 41430, 49260, 49716, 62145, 73890, 82860, 124290, 147780, 248580, 1133801, 2267602, 3401403, 4535204, 5669005, 6802806, 10204209, 11338010, 13605612, 17007015, 20408418, 22676020, 34014030, 40816836, 51021045, 68028060, 102042090, 204084180]

約数ペア:

[(1, 204084180), (2, 102042090), (3, 68028060), (4, 51021045), (5, 40816836), (6, 34014030), (9, 22676020), (10, 20408418), (12, 17007015), (15, 13605612), (18, 11338010), (20, 10204209), (30, 6802806), (36, 5669005), (45, 4535204), (60, 3401403), (90, 2267602), (180, 1133801), (821, 248580), (1381, 147780), (1642, 124290), (2463, 82860), (2762, 73890), (3284, 62145), (4105, 49716), (4143, 49260), (4926, 41430), (5524, 36945), (6905, 29556), (7389, 27620), (8210, 24858), (8286, 24630), (9852, 20715), (12315, 16572), (12429, 16420), (13810, 14778)]