9989520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 31337280

約数和(自身を除く): 21347760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 389, 428, 535, 642, 778, 856, 1070, 1167, 1284, 1556, 1605, 1712, 1945, 2140, 2334, 2568, 3112, 3210, 3890, 4280, 4668, 5136, 5835, 6224, 6420, 7780, 8560, 9336, 11670, 12840, 15560, 18672, 23340, 25680, 31120, 41623, 46680, 83246, 93360, 124869, 166492, 208115, 249738, 332984, 416230, 499476, 624345, 665968, 832460, 998952, 1248690, 1664920, 1997904, 2497380, 3329840, 4994760, 9989520]

約数ペア:

[(1, 9989520), (2, 4994760), (3, 3329840), (4, 2497380), (5, 1997904), (6, 1664920), (8, 1248690), (10, 998952), (12, 832460), (15, 665968), (16, 624345), (20, 499476), (24, 416230), (30, 332984), (40, 249738), (48, 208115), (60, 166492), (80, 124869), (107, 93360), (120, 83246), (214, 46680), (240, 41623), (321, 31120), (389, 25680), (428, 23340), (535, 18672), (642, 15560), (778, 12840), (856, 11670), (1070, 9336), (1167, 8560), (1284, 7780), (1556, 6420), (1605, 6224), (1712, 5835), (1945, 5136), (2140, 4668), (2334, 4280), (2568, 3890), (3112, 3210)]