1984920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 7257600

約数和(自身を除く): 5272680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 139, 140, 168, 170, 204, 210, 238, 255, 278, 280, 340, 357, 408, 417, 420, 476, 510, 556, 595, 680, 695, 714, 834, 840, 952, 973, 1020, 1112, 1190, 1390, 1428, 1668, 1785, 1946, 2040, 2085, 2363, 2380, 2780, 2856, 2919, 3336, 3570, 3892, 4170, 4726, 4760, 4865, 5560, 5838, 7089, 7140, 7784, 8340, 9452, 9730, 11676, 11815, 14178, 14280, 14595, 16541, 16680, 18904, 19460, 23352, 23630, 28356, 29190, 33082, 35445, 38920, 47260, 49623, 56712, 58380, 66164, 70890, 82705, 94520, 99246, 116760, 132328, 141780, 165410, 198492, 248115, 283560, 330820, 396984, 496230, 661640, 992460, 1984920]

約数ペア:

[(1, 1984920), (2, 992460), (3, 661640), (4, 496230), (5, 396984), (6, 330820), (7, 283560), (8, 248115), (10, 198492), (12, 165410), (14, 141780), (15, 132328), (17, 116760), (20, 99246), (21, 94520), (24, 82705), (28, 70890), (30, 66164), (34, 58380), (35, 56712), (40, 49623), (42, 47260), (51, 38920), (56, 35445), (60, 33082), (68, 29190), (70, 28356), (84, 23630), (85, 23352), (102, 19460), (105, 18904), (119, 16680), (120, 16541), (136, 14595), (139, 14280), (140, 14178), (168, 11815), (170, 11676), (204, 9730), (210, 9452), (238, 8340), (255, 7784), (278, 7140), (280, 7089), (340, 5838), (357, 5560), (408, 4865), (417, 4760), (420, 4726), (476, 4170), (510, 3892), (556, 3570), (595, 3336), (680, 2919), (695, 2856), (714, 2780), (834, 2380), (840, 2363), (952, 2085), (973, 2040), (1020, 1946), (1112, 1785), (1190, 1668), (1390, 1428)]