251177920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 168

約数和(自身を含む): 707800464

約数和(自身を除く): 456622544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 83, 98, 112, 140, 160, 166, 193, 196, 224, 245, 280, 320, 332, 386, 392, 415, 448, 490, 560, 581, 664, 772, 784, 830, 965, 980, 1120, 1162, 1328, 1351, 1544, 1568, 1660, 1930, 1960, 2240, 2324, 2656, 2702, 2905, 3088, 3136, 3320, 3860, 3920, 4067, 4648, 5312, 5404, 5810, 6176, 6640, 6755, 7720, 7840, 8134, 9296, 9457, 10808, 11620, 12352, 13280, 13510, 15440, 15680, 16019, 16268, 18592, 18914, 20335, 21616, 23240, 26560, 27020, 30880, 32038, 32536, 37184, 37828, 40670, 43232, 46480, 47285, 54040, 61760, 64076, 65072, 75656, 80095, 81340, 86464, 92960, 94570, 108080, 112133, 128152, 130144, 151312, 160190, 162680, 185920, 189140, 216160, 224266, 256304, 260288, 302624, 320380, 325360, 378280, 432320, 448532, 512608, 560665, 605248, 640760, 650720, 756560, 784931, 897064, 1025216, 1121330, 1281520, 1301440, 1513120, 1569862, 1794128, 2242660, 2563040, 3026240, 3139724, 3588256, 3924655, 4485320, 5126080, 6279448, 7176512, 7849310, 8970640, 12558896, 15698620, 17941280, 25117792, 31397240, 35882560, 50235584, 62794480, 125588960, 251177920]

約数ペア:

[(1, 251177920), (2, 125588960), (4, 62794480), (5, 50235584), (7, 35882560), (8, 31397240), (10, 25117792), (14, 17941280), (16, 15698620), (20, 12558896), (28, 8970640), (32, 7849310), (35, 7176512), (40, 6279448), (49, 5126080), (56, 4485320), (64, 3924655), (70, 3588256), (80, 3139724), (83, 3026240), (98, 2563040), (112, 2242660), (140, 1794128), (160, 1569862), (166, 1513120), (193, 1301440), (196, 1281520), (224, 1121330), (245, 1025216), (280, 897064), (320, 784931), (332, 756560), (386, 650720), (392, 640760), (415, 605248), (448, 560665), (490, 512608), (560, 448532), (581, 432320), (664, 378280), (772, 325360), (784, 320380), (830, 302624), (965, 260288), (980, 256304), (1120, 224266), (1162, 216160), (1328, 189140), (1351, 185920), (1544, 162680), (1568, 160190), (1660, 151312), (1930, 130144), (1960, 128152), (2240, 112133), (2324, 108080), (2656, 94570), (2702, 92960), (2905, 86464), (3088, 81340), (3136, 80095), (3320, 75656), (3860, 65072), (3920, 64076), (4067, 61760), (4648, 54040), (5312, 47285), (5404, 46480), (5810, 43232), (6176, 40670), (6640, 37828), (6755, 37184), (7720, 32536), (7840, 32038), (8134, 30880), (9296, 27020), (9457, 26560), (10808, 23240), (11620, 21616), (12352, 20335), (13280, 18914), (13510, 18592), (15440, 16268), (15680, 16019)]