865890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1069}}^1$

素因数の和:1088

約数の個数: 40

約数和(自身を含む): 2330460

約数和(自身を除く): 1464570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1069, 2138, 3207, 5345, 6414, 9621, 10690, 16035, 19242, 28863, 32070, 48105, 57726, 86589, 96210, 144315, 173178, 288630, 432945, 865890]

約数ペア:

[(1, 865890), (2, 432945), (3, 288630), (5, 173178), (6, 144315), (9, 96210), (10, 86589), (15, 57726), (18, 48105), (27, 32070), (30, 28863), (45, 19242), (54, 16035), (81, 10690), (90, 9621), (135, 6414), (162, 5345), (270, 3207), (405, 2138), (810, 1069)]