2660040

素因数分解:

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

素因数の和:844

約数の個数: 80

約数和(自身を含む): 8951580

約数和(自身を除く): 6291540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 821, 1080, 1620, 1642, 2463, 3240, 3284, 4105, 4926, 6568, 7389, 8210, 9852, 12315, 14778, 16420, 19704, 22167, 24630, 29556, 32840, 36945, 44334, 49260, 59112, 66501, 73890, 88668, 98520, 110835, 133002, 147780, 177336, 221670, 266004, 295560, 332505, 443340, 532008, 665010, 886680, 1330020, 2660040]

約数ペア:

[(1, 2660040), (2, 1330020), (3, 886680), (4, 665010), (5, 532008), (6, 443340), (8, 332505), (9, 295560), (10, 266004), (12, 221670), (15, 177336), (18, 147780), (20, 133002), (24, 110835), (27, 98520), (30, 88668), (36, 73890), (40, 66501), (45, 59112), (54, 49260), (60, 44334), (72, 36945), (81, 32840), (90, 29556), (108, 24630), (120, 22167), (135, 19704), (162, 16420), (180, 14778), (216, 12315), (270, 9852), (324, 8210), (360, 7389), (405, 6568), (540, 4926), (648, 4105), (810, 3284), (821, 3240), (1080, 2463), (1620, 1642)]