1889370120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{33287}}^1$

素因数の和:33355

約数の個数: 128

約数和(自身を含む): 6327383040

約数和(自身を除く): 4438012920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4730, 5160, 5676, 7095, 9460, 11352, 14190, 18920, 28380, 33287, 56760, 66574, 99861, 133148, 166435, 199722, 266296, 332870, 366157, 399444, 499305, 665740, 732314, 798888, 998610, 1098471, 1331480, 1431341, 1464628, 1830785, 1997220, 2196942, 2862682, 2929256, 3661570, 3994440, 4294023, 4393884, 5492355, 5725364, 7156705, 7323140, 8588046, 8787768, 10984710, 11450728, 14313410, 14646280, 15744751, 17176092, 21470115, 21969420, 28626820, 31489502, 34352184, 42940230, 43938840, 47234253, 57253640, 62979004, 78723755, 85880460, 94468506, 125958008, 157447510, 171760920, 188937012, 236171265, 314895020, 377874024, 472342530, 629790040, 944685060, 1889370120]

約数ペア:

[(1, 1889370120), (2, 944685060), (3, 629790040), (4, 472342530), (5, 377874024), (6, 314895020), (8, 236171265), (10, 188937012), (11, 171760920), (12, 157447510), (15, 125958008), (20, 94468506), (22, 85880460), (24, 78723755), (30, 62979004), (33, 57253640), (40, 47234253), (43, 43938840), (44, 42940230), (55, 34352184), (60, 31489502), (66, 28626820), (86, 21969420), (88, 21470115), (110, 17176092), (120, 15744751), (129, 14646280), (132, 14313410), (165, 11450728), (172, 10984710), (215, 8787768), (220, 8588046), (258, 7323140), (264, 7156705), (330, 5725364), (344, 5492355), (430, 4393884), (440, 4294023), (473, 3994440), (516, 3661570), (645, 2929256), (660, 2862682), (860, 2196942), (946, 1997220), (1032, 1830785), (1290, 1464628), (1320, 1431341), (1419, 1331480), (1720, 1098471), (1892, 998610), (2365, 798888), (2580, 732314), (2838, 665740), (3784, 499305), (4730, 399444), (5160, 366157), (5676, 332870), (7095, 266296), (9460, 199722), (11352, 166435), (14190, 133148), (18920, 99861), (28380, 66574), (33287, 56760)]