66390660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{52691}}^1$

素因数の和:52713

約数の個数: 72

約数和(自身を含む): 230158656

約数和(自身を除く): 163767996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 52691, 105382, 158073, 210764, 263455, 316146, 368837, 474219, 526910, 632292, 737674, 790365, 948438, 1053820, 1106511, 1475348, 1580730, 1844185, 1896876, 2213022, 2371095, 3161460, 3319533, 3688370, 4426044, 4742190, 5532555, 6639066, 7376740, 9484380, 11065110, 13278132, 16597665, 22130220, 33195330, 66390660]

約数ペア:

[(1, 66390660), (2, 33195330), (3, 22130220), (4, 16597665), (5, 13278132), (6, 11065110), (7, 9484380), (9, 7376740), (10, 6639066), (12, 5532555), (14, 4742190), (15, 4426044), (18, 3688370), (20, 3319533), (21, 3161460), (28, 2371095), (30, 2213022), (35, 1896876), (36, 1844185), (42, 1580730), (45, 1475348), (60, 1106511), (63, 1053820), (70, 948438), (84, 790365), (90, 737674), (105, 632292), (126, 526910), (140, 474219), (180, 368837), (210, 316146), (252, 263455), (315, 210764), (420, 158073), (630, 105382), (1260, 52691)]