3217720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 8087040

約数和(自身を除く): 4869320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 103, 110, 142, 206, 220, 284, 355, 412, 440, 515, 568, 710, 781, 824, 1030, 1133, 1420, 1562, 2060, 2266, 2840, 3124, 3905, 4120, 4532, 5665, 6248, 7313, 7810, 9064, 11330, 14626, 15620, 22660, 29252, 31240, 36565, 45320, 58504, 73130, 80443, 146260, 160886, 292520, 321772, 402215, 643544, 804430, 1608860, 3217720]

約数ペア:

[(1, 3217720), (2, 1608860), (4, 804430), (5, 643544), (8, 402215), (10, 321772), (11, 292520), (20, 160886), (22, 146260), (40, 80443), (44, 73130), (55, 58504), (71, 45320), (88, 36565), (103, 31240), (110, 29252), (142, 22660), (206, 15620), (220, 14626), (284, 11330), (355, 9064), (412, 7810), (440, 7313), (515, 6248), (568, 5665), (710, 4532), (781, 4120), (824, 3905), (1030, 3124), (1133, 2840), (1420, 2266), (1562, 2060)]