3990060

素因数分解:

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

素因数の和:845

約数の個数: 72

約数和(自身を含む): 12566736

約数和(自身を除く): 8576676

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, 243, 270, 324, 405, 486, 540, 810, 821, 972, 1215, 1620, 1642, 2430, 2463, 3284, 4105, 4860, 4926, 7389, 8210, 9852, 12315, 14778, 16420, 22167, 24630, 29556, 36945, 44334, 49260, 66501, 73890, 88668, 110835, 133002, 147780, 199503, 221670, 266004, 332505, 399006, 443340, 665010, 798012, 997515, 1330020, 1995030, 3990060]

約数ペア:

[(1, 3990060), (2, 1995030), (3, 1330020), (4, 997515), (5, 798012), (6, 665010), (9, 443340), (10, 399006), (12, 332505), (15, 266004), (18, 221670), (20, 199503), (27, 147780), (30, 133002), (36, 110835), (45, 88668), (54, 73890), (60, 66501), (81, 49260), (90, 44334), (108, 36945), (135, 29556), (162, 24630), (180, 22167), (243, 16420), (270, 14778), (324, 12315), (405, 9852), (486, 8210), (540, 7389), (810, 4926), (821, 4860), (972, 4105), (1215, 3284), (1620, 2463), (1642, 2430)]