65407120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 164543040

約数和(自身を除く): 99135920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1163, 1406, 1480, 1520, 2326, 2812, 2960, 3515, 4652, 5624, 5815, 7030, 9304, 11248, 11630, 14060, 18608, 22097, 23260, 28120, 43031, 44194, 46520, 56240, 86062, 88388, 93040, 110485, 172124, 176776, 215155, 220970, 344248, 353552, 430310, 441940, 688496, 817589, 860620, 883880, 1635178, 1721240, 1767760, 3270356, 3442480, 4087945, 6540712, 8175890, 13081424, 16351780, 32703560, 65407120]

約数ペア:

[(1, 65407120), (2, 32703560), (4, 16351780), (5, 13081424), (8, 8175890), (10, 6540712), (16, 4087945), (19, 3442480), (20, 3270356), (37, 1767760), (38, 1721240), (40, 1635178), (74, 883880), (76, 860620), (80, 817589), (95, 688496), (148, 441940), (152, 430310), (185, 353552), (190, 344248), (296, 220970), (304, 215155), (370, 176776), (380, 172124), (592, 110485), (703, 93040), (740, 88388), (760, 86062), (1163, 56240), (1406, 46520), (1480, 44194), (1520, 43031), (2326, 28120), (2812, 23260), (2960, 22097), (3515, 18608), (4652, 14060), (5624, 11630), (5815, 11248), (7030, 9304)]