16405920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11393}}^1$

素因数の和:11414

約数の個数: 72

約数和(自身を含む): 55990116

約数和(自身を除く): 39584196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 11393, 22786, 34179, 45572, 56965, 68358, 91144, 102537, 113930, 136716, 170895, 182288, 205074, 227860, 273432, 341790, 364576, 410148, 455720, 512685, 546864, 683580, 820296, 911440, 1025370, 1093728, 1367160, 1640592, 1822880, 2050740, 2734320, 3281184, 4101480, 5468640, 8202960, 16405920]

約数ペア:

[(1, 16405920), (2, 8202960), (3, 5468640), (4, 4101480), (5, 3281184), (6, 2734320), (8, 2050740), (9, 1822880), (10, 1640592), (12, 1367160), (15, 1093728), (16, 1025370), (18, 911440), (20, 820296), (24, 683580), (30, 546864), (32, 512685), (36, 455720), (40, 410148), (45, 364576), (48, 341790), (60, 273432), (72, 227860), (80, 205074), (90, 182288), (96, 170895), (120, 136716), (144, 113930), (160, 102537), (180, 91144), (240, 68358), (288, 56965), (360, 45572), (480, 34179), (720, 22786), (1440, 11393)]