1330020

素因数分解:

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

素因数の和:842

約数の個数: 60

約数和(自身を含む): 4177404

約数和(自身を除く): 2847384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 821, 1620, 1642, 2463, 3284, 4105, 4926, 7389, 8210, 9852, 12315, 14778, 16420, 22167, 24630, 29556, 36945, 44334, 49260, 66501, 73890, 88668, 110835, 133002, 147780, 221670, 266004, 332505, 443340, 665010, 1330020]

約数ペア:

[(1, 1330020), (2, 665010), (3, 443340), (4, 332505), (5, 266004), (6, 221670), (9, 147780), (10, 133002), (12, 110835), (15, 88668), (18, 73890), (20, 66501), (27, 49260), (30, 44334), (36, 36945), (45, 29556), (54, 24630), (60, 22167), (81, 16420), (90, 14778), (108, 12315), (135, 9852), (162, 8210), (180, 7389), (270, 4926), (324, 4105), (405, 3284), (540, 2463), (810, 1642), (821, 1620)]