8402640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 26331648

約数和(自身を除く): 17929008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 223, 240, 314, 446, 471, 628, 669, 785, 892, 942, 1115, 1256, 1338, 1570, 1784, 1884, 2230, 2355, 2512, 2676, 3140, 3345, 3568, 3768, 4460, 4710, 5352, 6280, 6690, 7536, 8920, 9420, 10704, 12560, 13380, 17840, 18840, 26760, 35011, 37680, 53520, 70022, 105033, 140044, 175055, 210066, 280088, 350110, 420132, 525165, 560176, 700220, 840264, 1050330, 1400440, 1680528, 2100660, 2800880, 4201320, 8402640]

約数ペア:

[(1, 8402640), (2, 4201320), (3, 2800880), (4, 2100660), (5, 1680528), (6, 1400440), (8, 1050330), (10, 840264), (12, 700220), (15, 560176), (16, 525165), (20, 420132), (24, 350110), (30, 280088), (40, 210066), (48, 175055), (60, 140044), (80, 105033), (120, 70022), (157, 53520), (223, 37680), (240, 35011), (314, 26760), (446, 18840), (471, 17840), (628, 13380), (669, 12560), (785, 10704), (892, 9420), (942, 8920), (1115, 7536), (1256, 6690), (1338, 6280), (1570, 5352), (1784, 4710), (1884, 4460), (2230, 3768), (2355, 3568), (2512, 3345), (2676, 3140)]