28685040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2606

約数の個数: 80

約数和(自身を含む): 90851328

約数和(自身を除く): 62166288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2543, 2820, 3760, 5086, 5640, 7629, 10172, 11280, 12715, 15258, 20344, 25430, 30516, 38145, 40688, 50860, 61032, 76290, 101720, 119521, 122064, 152580, 203440, 239042, 305160, 358563, 478084, 597605, 610320, 717126, 956168, 1195210, 1434252, 1792815, 1912336, 2390420, 2868504, 3585630, 4780840, 5737008, 7171260, 9561680, 14342520, 28685040]

約数ペア:

[(1, 28685040), (2, 14342520), (3, 9561680), (4, 7171260), (5, 5737008), (6, 4780840), (8, 3585630), (10, 2868504), (12, 2390420), (15, 1912336), (16, 1792815), (20, 1434252), (24, 1195210), (30, 956168), (40, 717126), (47, 610320), (48, 597605), (60, 478084), (80, 358563), (94, 305160), (120, 239042), (141, 203440), (188, 152580), (235, 122064), (240, 119521), (282, 101720), (376, 76290), (470, 61032), (564, 50860), (705, 40688), (752, 38145), (940, 30516), (1128, 25430), (1410, 20344), (1880, 15258), (2256, 12715), (2543, 11280), (2820, 10172), (3760, 7629), (5086, 5640)]