28821480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12674

約数の個数: 64

約数和(自身を含む): 91022400

約数和(自身を除く): 62200920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12641, 25282, 37923, 50564, 63205, 75846, 101128, 126410, 151692, 189615, 240179, 252820, 303384, 379230, 480358, 505640, 720537, 758460, 960716, 1200895, 1441074, 1516920, 1921432, 2401790, 2882148, 3602685, 4803580, 5764296, 7205370, 9607160, 14410740, 28821480]

約数ペア:

[(1, 28821480), (2, 14410740), (3, 9607160), (4, 7205370), (5, 5764296), (6, 4803580), (8, 3602685), (10, 2882148), (12, 2401790), (15, 1921432), (19, 1516920), (20, 1441074), (24, 1200895), (30, 960716), (38, 758460), (40, 720537), (57, 505640), (60, 480358), (76, 379230), (95, 303384), (114, 252820), (120, 240179), (152, 189615), (190, 151692), (228, 126410), (285, 101128), (380, 75846), (456, 63205), (570, 50564), (760, 37923), (1140, 25282), (2280, 12641)]