399065193840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1662771641}}^1$

素因数の和:1662771657

約数の個数: 40

約数和(自身を含む): 1237102101648

約数和(自身を除く): 838036907808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1662771641, 3325543282, 4988314923, 6651086564, 8313858205, 9976629846, 13302173128, 16627716410, 19953259692, 24941574615, 26604346256, 33255432820, 39906519384, 49883149230, 66510865640, 79813038768, 99766298460, 133021731280, 199532596920, 399065193840]

約数ペア:

[(1, 399065193840), (2, 199532596920), (3, 133021731280), (4, 99766298460), (5, 79813038768), (6, 66510865640), (8, 49883149230), (10, 39906519384), (12, 33255432820), (15, 26604346256), (16, 24941574615), (20, 19953259692), (24, 16627716410), (30, 13302173128), (40, 9976629846), (48, 8313858205), (60, 6651086564), (80, 4988314923), (120, 3325543282), (240, 1662771641)]