319531920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1331383}}^1$

素因数の和:1331399

約数の個数: 40

約数和(自身を含む): 990549696

約数和(自身を除く): 671017776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1331383, 2662766, 3994149, 5325532, 6656915, 7988298, 10651064, 13313830, 15976596, 19970745, 21302128, 26627660, 31953192, 39941490, 53255320, 63906384, 79882980, 106510640, 159765960, 319531920]

約数ペア:

[(1, 319531920), (2, 159765960), (3, 106510640), (4, 79882980), (5, 63906384), (6, 53255320), (8, 39941490), (10, 31953192), (12, 26627660), (15, 21302128), (16, 19970745), (20, 15976596), (24, 13313830), (30, 10651064), (40, 7988298), (48, 6656915), (60, 5325532), (80, 3994149), (120, 2662766), (240, 1331383)]