813840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3391}}^1$

素因数の和:3407

約数の個数: 40

約数和(自身を含む): 2523648

約数和(自身を除く): 1709808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3391, 6782, 10173, 13564, 16955, 20346, 27128, 33910, 40692, 50865, 54256, 67820, 81384, 101730, 135640, 162768, 203460, 271280, 406920, 813840]

約数ペア:

[(1, 813840), (2, 406920), (3, 271280), (4, 203460), (5, 162768), (6, 135640), (8, 101730), (10, 81384), (12, 67820), (15, 54256), (16, 50865), (20, 40692), (24, 33910), (30, 27128), (40, 20346), (48, 16955), (60, 13564), (80, 10173), (120, 6782), (240, 3391)]