12578360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 29652480

約数和(自身を除く): 17074120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 103, 142, 172, 206, 215, 284, 344, 355, 412, 430, 515, 568, 710, 824, 860, 1030, 1420, 1720, 2060, 2840, 3053, 4120, 4429, 6106, 7313, 8858, 12212, 14626, 15265, 17716, 22145, 24424, 29252, 30530, 35432, 36565, 44290, 58504, 61060, 73130, 88580, 122120, 146260, 177160, 292520, 314459, 628918, 1257836, 1572295, 2515672, 3144590, 6289180, 12578360]

約数ペア:

[(1, 12578360), (2, 6289180), (4, 3144590), (5, 2515672), (8, 1572295), (10, 1257836), (20, 628918), (40, 314459), (43, 292520), (71, 177160), (86, 146260), (103, 122120), (142, 88580), (172, 73130), (206, 61060), (215, 58504), (284, 44290), (344, 36565), (355, 35432), (412, 30530), (430, 29252), (515, 24424), (568, 22145), (710, 17716), (824, 15265), (860, 14626), (1030, 12212), (1420, 8858), (1720, 7313), (2060, 6106), (2840, 4429), (3053, 4120)]