749940080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 1770553344

約数和(自身を除く): 1020613264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 223, 254, 331, 446, 508, 635, 662, 892, 1016, 1115, 1270, 1324, 1655, 1784, 2032, 2230, 2540, 2648, 3310, 3568, 4460, 5080, 5296, 6620, 8920, 10160, 13240, 17840, 26480, 28321, 42037, 56642, 73813, 84074, 113284, 141605, 147626, 168148, 210185, 226568, 283210, 295252, 336296, 369065, 420370, 453136, 566420, 590504, 672592, 738130, 840740, 1132840, 1181008, 1476260, 1681480, 2265680, 2952520, 3362960, 5905040, 9374251, 18748502, 37497004, 46871255, 74994008, 93742510, 149988016, 187485020, 374970040, 749940080]

約数ペア:

[(1, 749940080), (2, 374970040), (4, 187485020), (5, 149988016), (8, 93742510), (10, 74994008), (16, 46871255), (20, 37497004), (40, 18748502), (80, 9374251), (127, 5905040), (223, 3362960), (254, 2952520), (331, 2265680), (446, 1681480), (508, 1476260), (635, 1181008), (662, 1132840), (892, 840740), (1016, 738130), (1115, 672592), (1270, 590504), (1324, 566420), (1655, 453136), (1784, 420370), (2032, 369065), (2230, 336296), (2540, 295252), (2648, 283210), (3310, 226568), (3568, 210185), (4460, 168148), (5080, 147626), (5296, 141605), (6620, 113284), (8920, 84074), (10160, 73813), (13240, 56642), (17840, 42037), (26480, 28321)]