1660396968

素因数分解:

$2^3\times 3^4\times {\mathrm{821}}^1\times {\mathrm{3121}}^1$

素因数の和:3960

約数の個数: 80

約数和(自身を含む): 4657805460

約数和(自身を除く): 2997408492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 821, 1642, 2463, 3121, 3284, 4926, 6242, 6568, 7389, 9363, 9852, 12484, 14778, 18726, 19704, 22167, 24968, 28089, 29556, 37452, 44334, 56178, 59112, 66501, 74904, 84267, 88668, 112356, 133002, 168534, 177336, 224712, 252801, 266004, 337068, 505602, 532008, 674136, 1011204, 2022408, 2562341, 5124682, 7687023, 10249364, 15374046, 20498728, 23061069, 30748092, 46122138, 61496184, 69183207, 92244276, 138366414, 184488552, 207549621, 276732828, 415099242, 553465656, 830198484, 1660396968]

約数ペア:

[(1, 1660396968), (2, 830198484), (3, 553465656), (4, 415099242), (6, 276732828), (8, 207549621), (9, 184488552), (12, 138366414), (18, 92244276), (24, 69183207), (27, 61496184), (36, 46122138), (54, 30748092), (72, 23061069), (81, 20498728), (108, 15374046), (162, 10249364), (216, 7687023), (324, 5124682), (648, 2562341), (821, 2022408), (1642, 1011204), (2463, 674136), (3121, 532008), (3284, 505602), (4926, 337068), (6242, 266004), (6568, 252801), (7389, 224712), (9363, 177336), (9852, 168534), (12484, 133002), (14778, 112356), (18726, 88668), (19704, 84267), (22167, 74904), (24968, 66501), (28089, 59112), (29556, 56178), (37452, 44334)]