30781488

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{15641}}^1$

素因数の和:15693

約数の個数: 40

約数和(自身を含む): 81463536

約数和(自身を除く): 50682048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 15641, 31282, 46923, 62564, 93846, 125128, 187692, 250256, 375384, 641281, 750768, 1282562, 1923843, 2565124, 3847686, 5130248, 7695372, 10260496, 15390744, 30781488]

約数ペア:

[(1, 30781488), (2, 15390744), (3, 10260496), (4, 7695372), (6, 5130248), (8, 3847686), (12, 2565124), (16, 1923843), (24, 1282562), (41, 750768), (48, 641281), (82, 375384), (123, 250256), (164, 187692), (246, 125128), (328, 93846), (492, 62564), (656, 46923), (984, 31282), (1968, 15641)]