74778880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 201325824

約数和(自身を除く): 126546944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 113, 128, 160, 176, 188, 220, 226, 235, 256, 320, 352, 376, 440, 452, 470, 517, 565, 640, 704, 752, 880, 904, 940, 1034, 1130, 1243, 1280, 1408, 1504, 1760, 1808, 1880, 2068, 2260, 2486, 2585, 2816, 3008, 3520, 3616, 3760, 4136, 4520, 4972, 5170, 5311, 6016, 6215, 7040, 7232, 7520, 8272, 9040, 9944, 10340, 10622, 12032, 12430, 14080, 14464, 15040, 16544, 18080, 19888, 20680, 21244, 24860, 26555, 28928, 30080, 33088, 36160, 39776, 41360, 42488, 49720, 53110, 58421, 60160, 66176, 72320, 79552, 82720, 84976, 99440, 106220, 116842, 132352, 144640, 159104, 165440, 169952, 198880, 212440, 233684, 292105, 318208, 330880, 339904, 397760, 424880, 467368, 584210, 661760, 679808, 795520, 849760, 934736, 1168420, 1359616, 1591040, 1699520, 1869472, 2336840, 3399040, 3738944, 4673680, 6798080, 7477888, 9347360, 14955776, 18694720, 37389440, 74778880]

約数ペア:

[(1, 74778880), (2, 37389440), (4, 18694720), (5, 14955776), (8, 9347360), (10, 7477888), (11, 6798080), (16, 4673680), (20, 3738944), (22, 3399040), (32, 2336840), (40, 1869472), (44, 1699520), (47, 1591040), (55, 1359616), (64, 1168420), (80, 934736), (88, 849760), (94, 795520), (110, 679808), (113, 661760), (128, 584210), (160, 467368), (176, 424880), (188, 397760), (220, 339904), (226, 330880), (235, 318208), (256, 292105), (320, 233684), (352, 212440), (376, 198880), (440, 169952), (452, 165440), (470, 159104), (517, 144640), (565, 132352), (640, 116842), (704, 106220), (752, 99440), (880, 84976), (904, 82720), (940, 79552), (1034, 72320), (1130, 66176), (1243, 60160), (1280, 58421), (1408, 53110), (1504, 49720), (1760, 42488), (1808, 41360), (1880, 39776), (2068, 36160), (2260, 33088), (2486, 30080), (2585, 28928), (2816, 26555), (3008, 24860), (3520, 21244), (3616, 20680), (3760, 19888), (4136, 18080), (4520, 16544), (4972, 15040), (5170, 14464), (5311, 14080), (6016, 12430), (6215, 12032), (7040, 10622), (7232, 10340), (7520, 9944), (8272, 9040)]