78613040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 201013920

約数和(自身を除く): 122400880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 569, 628, 785, 880, 1138, 1256, 1570, 1727, 2276, 2512, 2845, 3140, 3454, 4552, 5690, 6259, 6280, 6908, 8635, 9104, 11380, 12518, 12560, 13816, 17270, 22760, 25036, 27632, 31295, 34540, 45520, 50072, 62590, 69080, 89333, 100144, 125180, 138160, 178666, 250360, 357332, 446665, 500720, 714664, 893330, 982663, 1429328, 1786660, 1965326, 3573320, 3930652, 4913315, 7146640, 7861304, 9826630, 15722608, 19653260, 39306520, 78613040]

約数ペア:

[(1, 78613040), (2, 39306520), (4, 19653260), (5, 15722608), (8, 9826630), (10, 7861304), (11, 7146640), (16, 4913315), (20, 3930652), (22, 3573320), (40, 1965326), (44, 1786660), (55, 1429328), (80, 982663), (88, 893330), (110, 714664), (157, 500720), (176, 446665), (220, 357332), (314, 250360), (440, 178666), (569, 138160), (628, 125180), (785, 100144), (880, 89333), (1138, 69080), (1256, 62590), (1570, 50072), (1727, 45520), (2276, 34540), (2512, 31295), (2845, 27632), (3140, 25036), (3454, 22760), (4552, 17270), (5690, 13816), (6259, 12560), (6280, 12518), (6908, 11380), (8635, 9104)]