28266480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 107243136

約数和(自身を除く): 78976656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 48, 55, 60, 66, 72, 80, 83, 86, 88, 90, 99, 110, 120, 129, 132, 144, 165, 166, 172, 176, 180, 198, 215, 220, 240, 249, 258, 264, 330, 332, 344, 360, 387, 396, 415, 430, 440, 473, 495, 498, 516, 528, 645, 660, 664, 688, 720, 747, 774, 792, 830, 860, 880, 913, 946, 990, 996, 1032, 1245, 1290, 1320, 1328, 1419, 1494, 1548, 1584, 1660, 1720, 1826, 1892, 1935, 1980, 1992, 2064, 2365, 2490, 2580, 2640, 2739, 2838, 2988, 3096, 3320, 3440, 3569, 3652, 3735, 3784, 3870, 3960, 3984, 4257, 4565, 4730, 4980, 5160, 5478, 5676, 5976, 6192, 6640, 7095, 7138, 7304, 7470, 7568, 7740, 7920, 8217, 8514, 9130, 9460, 9960, 10320, 10707, 10956, 11352, 11952, 13695, 14190, 14276, 14608, 14940, 15480, 16434, 17028, 17845, 18260, 18920, 19920, 21285, 21414, 21912, 22704, 27390, 28380, 28552, 29880, 30960, 32121, 32868, 34056, 35690, 36520, 37840, 39259, 41085, 42570, 42828, 43824, 53535, 54780, 56760, 57104, 59760, 64242, 65736, 68112, 71380, 73040, 78518, 82170, 85140, 85656, 107070, 109560, 113520, 117777, 128484, 131472, 142760, 157036, 160605, 164340, 170280, 171312, 196295, 214140, 219120, 235554, 256968, 285520, 314072, 321210, 328680, 340560, 353331, 392590, 428280, 471108, 513936, 588885, 628144, 642420, 657360, 706662, 785180, 856560, 942216, 1177770, 1284840, 1413324, 1570360, 1766655, 1884432, 2355540, 2569680, 2826648, 3140720, 3533310, 4711080, 5653296, 7066620, 9422160, 14133240, 28266480]

約数ペア:

[(1, 28266480), (2, 14133240), (3, 9422160), (4, 7066620), (5, 5653296), (6, 4711080), (8, 3533310), (9, 3140720), (10, 2826648), (11, 2569680), (12, 2355540), (15, 1884432), (16, 1766655), (18, 1570360), (20, 1413324), (22, 1284840), (24, 1177770), (30, 942216), (33, 856560), (36, 785180), (40, 706662), (43, 657360), (44, 642420), (45, 628144), (48, 588885), (55, 513936), (60, 471108), (66, 428280), (72, 392590), (80, 353331), (83, 340560), (86, 328680), (88, 321210), (90, 314072), (99, 285520), (110, 256968), (120, 235554), (129, 219120), (132, 214140), (144, 196295), (165, 171312), (166, 170280), (172, 164340), (176, 160605), (180, 157036), (198, 142760), (215, 131472), (220, 128484), (240, 117777), (249, 113520), (258, 109560), (264, 107070), (330, 85656), (332, 85140), (344, 82170), (360, 78518), (387, 73040), (396, 71380), (415, 68112), (430, 65736), (440, 64242), (473, 59760), (495, 57104), (498, 56760), (516, 54780), (528, 53535), (645, 43824), (660, 42828), (664, 42570), (688, 41085), (720, 39259), (747, 37840), (774, 36520), (792, 35690), (830, 34056), (860, 32868), (880, 32121), (913, 30960), (946, 29880), (990, 28552), (996, 28380), (1032, 27390), (1245, 22704), (1290, 21912), (1320, 21414), (1328, 21285), (1419, 19920), (1494, 18920), (1548, 18260), (1584, 17845), (1660, 17028), (1720, 16434), (1826, 15480), (1892, 14940), (1935, 14608), (1980, 14276), (1992, 14190), (2064, 13695), (2365, 11952), (2490, 11352), (2580, 10956), (2640, 10707), (2739, 10320), (2838, 9960), (2988, 9460), (3096, 9130), (3320, 8514), (3440, 8217), (3569, 7920), (3652, 7740), (3735, 7568), (3784, 7470), (3870, 7304), (3960, 7138), (3984, 7095), (4257, 6640), (4565, 6192), (4730, 5976), (4980, 5676), (5160, 5478)]