64491280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115163}}^1$

素因数の和:115183

約数の個数: 40

約数和(自身を含む): 171364032

約数和(自身を除く): 106872752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115163, 230326, 460652, 575815, 806141, 921304, 1151630, 1612282, 1842608, 2303260, 3224564, 4030705, 4606520, 6449128, 8061410, 9213040, 12898256, 16122820, 32245640, 64491280]

約数ペア:

[(1, 64491280), (2, 32245640), (4, 16122820), (5, 12898256), (7, 9213040), (8, 8061410), (10, 6449128), (14, 4606520), (16, 4030705), (20, 3224564), (28, 2303260), (35, 1842608), (40, 1612282), (56, 1151630), (70, 921304), (80, 806141), (112, 575815), (140, 460652), (280, 230326), (560, 115163)]