81047340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40933}}^1$

素因数の和:40959

約数の個数: 72

約数和(自身を含む): 268199568

約数和(自身を除く): 187152228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40933, 81866, 122799, 163732, 204665, 245598, 368397, 409330, 450263, 491196, 613995, 736794, 818660, 900526, 1227990, 1350789, 1473588, 1801052, 1841985, 2251315, 2455980, 2701578, 3683970, 4052367, 4502630, 5403156, 6753945, 7367940, 8104734, 9005260, 13507890, 16209468, 20261835, 27015780, 40523670, 81047340]

約数ペア:

[(1, 81047340), (2, 40523670), (3, 27015780), (4, 20261835), (5, 16209468), (6, 13507890), (9, 9005260), (10, 8104734), (11, 7367940), (12, 6753945), (15, 5403156), (18, 4502630), (20, 4052367), (22, 3683970), (30, 2701578), (33, 2455980), (36, 2251315), (44, 1841985), (45, 1801052), (55, 1473588), (60, 1350789), (66, 1227990), (90, 900526), (99, 818660), (110, 736794), (132, 613995), (165, 491196), (180, 450263), (198, 409330), (220, 368397), (330, 245598), (396, 204665), (495, 163732), (660, 122799), (990, 81866), (1980, 40933)]