27788880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 106868160

約数和(自身を除く): 79079280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 139, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 278, 280, 294, 336, 340, 357, 392, 408, 417, 420, 476, 490, 510, 556, 560, 588, 595, 680, 695, 714, 735, 784, 816, 833, 834, 840, 952, 973, 980, 1020, 1112, 1176, 1190, 1360, 1390, 1428, 1470, 1666, 1668, 1680, 1785, 1904, 1946, 1960, 2040, 2085, 2224, 2352, 2363, 2380, 2499, 2780, 2856, 2919, 2940, 3332, 3336, 3570, 3892, 3920, 4080, 4165, 4170, 4726, 4760, 4865, 4998, 5560, 5712, 5838, 5880, 6664, 6672, 6811, 7089, 7140, 7784, 8330, 8340, 9452, 9520, 9730, 9996, 11120, 11676, 11760, 11815, 12495, 13328, 13622, 14178, 14280, 14595, 15568, 16541, 16660, 16680, 18904, 19460, 19992, 20433, 23352, 23630, 24990, 27244, 28356, 28560, 29190, 33082, 33320, 33360, 34055, 35445, 37808, 38920, 39984, 40866, 46704, 47260, 49623, 49980, 54488, 56712, 58380, 66164, 66640, 68110, 70890, 77840, 81732, 82705, 94520, 99246, 99960, 102165, 108976, 113424, 115787, 116760, 132328, 136220, 141780, 163464, 165410, 189040, 198492, 199920, 204330, 231574, 233520, 248115, 264656, 272440, 283560, 326928, 330820, 347361, 396984, 408660, 463148, 496230, 544880, 567120, 578935, 661640, 694722, 793968, 817320, 926296, 992460, 1157870, 1323280, 1389444, 1634640, 1736805, 1852592, 1984920, 2315740, 2778888, 3473610, 3969840, 4631480, 5557776, 6947220, 9262960, 13894440, 27788880]

約数ペア:

[(1, 27788880), (2, 13894440), (3, 9262960), (4, 6947220), (5, 5557776), (6, 4631480), (7, 3969840), (8, 3473610), (10, 2778888), (12, 2315740), (14, 1984920), (15, 1852592), (16, 1736805), (17, 1634640), (20, 1389444), (21, 1323280), (24, 1157870), (28, 992460), (30, 926296), (34, 817320), (35, 793968), (40, 694722), (42, 661640), (48, 578935), (49, 567120), (51, 544880), (56, 496230), (60, 463148), (68, 408660), (70, 396984), (80, 347361), (84, 330820), (85, 326928), (98, 283560), (102, 272440), (105, 264656), (112, 248115), (119, 233520), (120, 231574), (136, 204330), (139, 199920), (140, 198492), (147, 189040), (168, 165410), (170, 163464), (196, 141780), (204, 136220), (210, 132328), (238, 116760), (240, 115787), (245, 113424), (255, 108976), (272, 102165), (278, 99960), (280, 99246), (294, 94520), (336, 82705), (340, 81732), (357, 77840), (392, 70890), (408, 68110), (417, 66640), (420, 66164), (476, 58380), (490, 56712), (510, 54488), (556, 49980), (560, 49623), (588, 47260), (595, 46704), (680, 40866), (695, 39984), (714, 38920), (735, 37808), (784, 35445), (816, 34055), (833, 33360), (834, 33320), (840, 33082), (952, 29190), (973, 28560), (980, 28356), (1020, 27244), (1112, 24990), (1176, 23630), (1190, 23352), (1360, 20433), (1390, 19992), (1428, 19460), (1470, 18904), (1666, 16680), (1668, 16660), (1680, 16541), (1785, 15568), (1904, 14595), (1946, 14280), (1960, 14178), (2040, 13622), (2085, 13328), (2224, 12495), (2352, 11815), (2363, 11760), (2380, 11676), (2499, 11120), (2780, 9996), (2856, 9730), (2919, 9520), (2940, 9452), (3332, 8340), (3336, 8330), (3570, 7784), (3892, 7140), (3920, 7089), (4080, 6811), (4165, 6672), (4170, 6664), (4726, 5880), (4760, 5838), (4865, 5712), (4998, 5560)]