408120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 1296000

約数和(自身を除く): 887880

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, 179, 190, 228, 285, 358, 380, 456, 537, 570, 716, 760, 895, 1074, 1140, 1432, 1790, 2148, 2280, 2685, 3401, 3580, 4296, 5370, 6802, 7160, 10203, 10740, 13604, 17005, 20406, 21480, 27208, 34010, 40812, 51015, 68020, 81624, 102030, 136040, 204060, 408120]

約数ペア:

[(1, 408120), (2, 204060), (3, 136040), (4, 102030), (5, 81624), (6, 68020), (8, 51015), (10, 40812), (12, 34010), (15, 27208), (19, 21480), (20, 20406), (24, 17005), (30, 13604), (38, 10740), (40, 10203), (57, 7160), (60, 6802), (76, 5370), (95, 4296), (114, 3580), (120, 3401), (152, 2685), (179, 2280), (190, 2148), (228, 1790), (285, 1432), (358, 1140), (380, 1074), (456, 895), (537, 760), (570, 716)]