145740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 467712

約数和(自身を除く): 321972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 694, 1041, 1388, 1735, 2082, 2429, 3470, 4164, 4858, 5205, 6940, 7287, 9716, 10410, 12145, 14574, 20820, 24290, 29148, 36435, 48580, 72870, 145740]

約数ペア:

[(1, 145740), (2, 72870), (3, 48580), (4, 36435), (5, 29148), (6, 24290), (7, 20820), (10, 14574), (12, 12145), (14, 10410), (15, 9716), (20, 7287), (21, 6940), (28, 5205), (30, 4858), (35, 4164), (42, 3470), (60, 2429), (70, 2082), (84, 1735), (105, 1388), (140, 1041), (210, 694), (347, 420)]