213453840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{889391}}^1$

素因数の和:889407

約数の個数: 40

約数和(自身を含む): 661707648

約数和(自身を除く): 448253808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 889391, 1778782, 2668173, 3557564, 4446955, 5336346, 7115128, 8893910, 10672692, 13340865, 14230256, 17787820, 21345384, 26681730, 35575640, 42690768, 53363460, 71151280, 106726920, 213453840]

約数ペア:

[(1, 213453840), (2, 106726920), (3, 71151280), (4, 53363460), (5, 42690768), (6, 35575640), (8, 26681730), (10, 21345384), (12, 17787820), (15, 14230256), (16, 13340865), (20, 10672692), (24, 8893910), (30, 7115128), (40, 5336346), (48, 4446955), (60, 3557564), (80, 2668173), (120, 1778782), (240, 889391)]