17931480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21347}}^1$

素因数の和:21368

約数の個数: 64

約数和(自身を含む): 61482240

約数和(自身を除く): 43550760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21347, 42694, 64041, 85388, 106735, 128082, 149429, 170776, 213470, 256164, 298858, 320205, 426940, 448287, 512328, 597716, 640410, 747145, 853880, 896574, 1195432, 1280820, 1494290, 1793148, 2241435, 2561640, 2988580, 3586296, 4482870, 5977160, 8965740, 17931480]

約数ペア:

[(1, 17931480), (2, 8965740), (3, 5977160), (4, 4482870), (5, 3586296), (6, 2988580), (7, 2561640), (8, 2241435), (10, 1793148), (12, 1494290), (14, 1280820), (15, 1195432), (20, 896574), (21, 853880), (24, 747145), (28, 640410), (30, 597716), (35, 512328), (40, 448287), (42, 426940), (56, 320205), (60, 298858), (70, 256164), (84, 213470), (105, 170776), (120, 149429), (140, 128082), (168, 106735), (210, 85388), (280, 64041), (420, 42694), (840, 21347)]