80835660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{821}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 245948976

約数和(自身を除く): 165113316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 821, 1094, 1641, 1642, 2188, 2463, 2735, 3282, 3284, 4105, 4923, 4926, 5470, 6564, 7389, 8205, 8210, 9846, 9852, 10940, 12315, 14778, 16410, 16420, 19692, 24615, 24630, 29556, 32820, 36945, 49230, 49260, 73890, 98460, 147780, 449087, 898174, 1347261, 1796348, 2245435, 2694522, 4041783, 4490870, 5389044, 6736305, 8083566, 8981740, 13472610, 16167132, 20208915, 26945220, 40417830, 80835660]

約数ペア:

[(1, 80835660), (2, 40417830), (3, 26945220), (4, 20208915), (5, 16167132), (6, 13472610), (9, 8981740), (10, 8083566), (12, 6736305), (15, 5389044), (18, 4490870), (20, 4041783), (30, 2694522), (36, 2245435), (45, 1796348), (60, 1347261), (90, 898174), (180, 449087), (547, 147780), (821, 98460), (1094, 73890), (1641, 49260), (1642, 49230), (2188, 36945), (2463, 32820), (2735, 29556), (3282, 24630), (3284, 24615), (4105, 19692), (4923, 16420), (4926, 16410), (5470, 14778), (6564, 12315), (7389, 10940), (8205, 9852), (8210, 9846)]