218917890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{270269}}^1$

素因数の和:270288

約数の個数: 40

約数和(自身を含む): 588648060

約数和(自身を除く): 369730170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 270269, 540538, 810807, 1351345, 1621614, 2432421, 2702690, 4054035, 4864842, 7297263, 8108070, 12162105, 14594526, 21891789, 24324210, 36486315, 43783578, 72972630, 109458945, 218917890]

約数ペア:

[(1, 218917890), (2, 109458945), (3, 72972630), (5, 43783578), (6, 36486315), (9, 24324210), (10, 21891789), (15, 14594526), (18, 12162105), (27, 8108070), (30, 7297263), (45, 4864842), (54, 4054035), (81, 2702690), (90, 2432421), (135, 1621614), (162, 1351345), (270, 810807), (405, 540538), (810, 270269)]