280944320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 112

約数和(自身を含む): 699138048

約数和(自身を除く): 418193728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 223, 248, 254, 310, 320, 446, 496, 508, 620, 635, 892, 992, 1016, 1115, 1240, 1270, 1784, 1984, 2032, 2230, 2480, 2540, 3568, 3937, 4064, 4460, 4960, 5080, 6913, 7136, 7874, 8128, 8920, 9920, 10160, 13826, 14272, 15748, 17840, 19685, 20320, 27652, 28321, 31496, 34565, 35680, 39370, 40640, 55304, 56642, 62992, 69130, 71360, 78740, 110608, 113284, 125984, 138260, 141605, 157480, 221216, 226568, 251968, 276520, 283210, 314960, 442432, 453136, 553040, 566420, 629920, 877951, 906272, 1106080, 1132840, 1259840, 1755902, 1812544, 2212160, 2265680, 3511804, 4389755, 4531360, 7023608, 8779510, 9062720, 14047216, 17559020, 28094432, 35118040, 56188864, 70236080, 140472160, 280944320]

約数ペア:

[(1, 280944320), (2, 140472160), (4, 70236080), (5, 56188864), (8, 35118040), (10, 28094432), (16, 17559020), (20, 14047216), (31, 9062720), (32, 8779510), (40, 7023608), (62, 4531360), (64, 4389755), (80, 3511804), (124, 2265680), (127, 2212160), (155, 1812544), (160, 1755902), (223, 1259840), (248, 1132840), (254, 1106080), (310, 906272), (320, 877951), (446, 629920), (496, 566420), (508, 553040), (620, 453136), (635, 442432), (892, 314960), (992, 283210), (1016, 276520), (1115, 251968), (1240, 226568), (1270, 221216), (1784, 157480), (1984, 141605), (2032, 138260), (2230, 125984), (2480, 113284), (2540, 110608), (3568, 78740), (3937, 71360), (4064, 69130), (4460, 62992), (4960, 56642), (5080, 55304), (6913, 40640), (7136, 39370), (7874, 35680), (8128, 34565), (8920, 31496), (9920, 28321), (10160, 27652), (13826, 20320), (14272, 19685), (15748, 17840)]