664221840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3371}}^1$

素因数の和:4208

約数の個数: 80

約数和(自身を含む): 2062207296

約数和(自身を除く): 1397985456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 821, 1642, 2463, 3284, 3371, 4105, 4926, 6568, 6742, 8210, 9852, 10113, 12315, 13136, 13484, 16420, 16855, 19704, 20226, 24630, 26968, 32840, 33710, 39408, 40452, 49260, 50565, 53936, 65680, 67420, 80904, 98520, 101130, 134840, 161808, 197040, 202260, 269680, 404520, 809040, 2767591, 5535182, 8302773, 11070364, 13837955, 16605546, 22140728, 27675910, 33211092, 41513865, 44281456, 55351820, 66422184, 83027730, 110703640, 132844368, 166055460, 221407280, 332110920, 664221840]

約数ペア:

[(1, 664221840), (2, 332110920), (3, 221407280), (4, 166055460), (5, 132844368), (6, 110703640), (8, 83027730), (10, 66422184), (12, 55351820), (15, 44281456), (16, 41513865), (20, 33211092), (24, 27675910), (30, 22140728), (40, 16605546), (48, 13837955), (60, 11070364), (80, 8302773), (120, 5535182), (240, 2767591), (821, 809040), (1642, 404520), (2463, 269680), (3284, 202260), (3371, 197040), (4105, 161808), (4926, 134840), (6568, 101130), (6742, 98520), (8210, 80904), (9852, 67420), (10113, 65680), (12315, 53936), (13136, 50565), (13484, 49260), (16420, 40452), (16855, 39408), (19704, 33710), (20226, 32840), (24630, 26968)]