28661520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 89369280

約数和(自身を除く): 60707760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 389, 614, 778, 921, 1167, 1228, 1535, 1556, 1842, 1945, 2334, 2456, 3070, 3112, 3684, 3890, 4605, 4668, 4912, 5835, 6140, 6224, 7368, 7780, 9210, 9336, 11670, 12280, 14736, 15560, 18420, 18672, 23340, 24560, 31120, 36840, 46680, 73680, 93360, 119423, 238846, 358269, 477692, 597115, 716538, 955384, 1194230, 1433076, 1791345, 1910768, 2388460, 2866152, 3582690, 4776920, 5732304, 7165380, 9553840, 14330760, 28661520]

約数ペア:

[(1, 28661520), (2, 14330760), (3, 9553840), (4, 7165380), (5, 5732304), (6, 4776920), (8, 3582690), (10, 2866152), (12, 2388460), (15, 1910768), (16, 1791345), (20, 1433076), (24, 1194230), (30, 955384), (40, 716538), (48, 597115), (60, 477692), (80, 358269), (120, 238846), (240, 119423), (307, 93360), (389, 73680), (614, 46680), (778, 36840), (921, 31120), (1167, 24560), (1228, 23340), (1535, 18672), (1556, 18420), (1842, 15560), (1945, 14736), (2334, 12280), (2456, 11670), (3070, 9336), (3112, 9210), (3684, 7780), (3890, 7368), (4605, 6224), (4668, 6140), (4912, 5835)]