320578560

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{773}}^1$

素因数の和:810

約数の個数: 220

約数和(自身を含む): 1150258428

約数和(自身を除く): 829679868

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 773, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1546, 1620, 1728, 1920, 2160, 2304, 2319, 2560, 2592, 2880, 3072, 3092, 3240, 3456, 3840, 3865, 4320, 4608, 4638, 5120, 5184, 5760, 6184, 6480, 6912, 6957, 7680, 7730, 8640, 9216, 9276, 10368, 11520, 11595, 12368, 12960, 13824, 13914, 15360, 15460, 17280, 18552, 20736, 20871, 23040, 23190, 24736, 25920, 27648, 27828, 30920, 34560, 34785, 37104, 41472, 41742, 46080, 46380, 49472, 51840, 55656, 61840, 62613, 69120, 69570, 74208, 82944, 83484, 92760, 98944, 103680, 104355, 111312, 123680, 125226, 138240, 139140, 148416, 166968, 185520, 197888, 207360, 208710, 222624, 247360, 250452, 278280, 296832, 313065, 333936, 371040, 395776, 414720, 417420, 445248, 494720, 500904, 556560, 593664, 626130, 667872, 742080, 791552, 834840, 890496, 989440, 1001808, 1113120, 1187328, 1252260, 1335744, 1484160, 1669680, 1780992, 1978880, 2003616, 2226240, 2374656, 2504520, 2671488, 2968320, 3339360, 3561984, 3957760, 4007232, 4452480, 5009040, 5342976, 5936640, 6678720, 7123968, 8014464, 8904960, 10018080, 10685952, 11873280, 13357440, 16028928, 17809920, 20036160, 21371904, 26714880, 32057856, 35619840, 40072320, 53429760, 64115712, 80144640, 106859520, 160289280, 320578560]

約数ペア:

[(1, 320578560), (2, 160289280), (3, 106859520), (4, 80144640), (5, 64115712), (6, 53429760), (8, 40072320), (9, 35619840), (10, 32057856), (12, 26714880), (15, 21371904), (16, 20036160), (18, 17809920), (20, 16028928), (24, 13357440), (27, 11873280), (30, 10685952), (32, 10018080), (36, 8904960), (40, 8014464), (45, 7123968), (48, 6678720), (54, 5936640), (60, 5342976), (64, 5009040), (72, 4452480), (80, 4007232), (81, 3957760), (90, 3561984), (96, 3339360), (108, 2968320), (120, 2671488), (128, 2504520), (135, 2374656), (144, 2226240), (160, 2003616), (162, 1978880), (180, 1780992), (192, 1669680), (216, 1484160), (240, 1335744), (256, 1252260), (270, 1187328), (288, 1113120), (320, 1001808), (324, 989440), (360, 890496), (384, 834840), (405, 791552), (432, 742080), (480, 667872), (512, 626130), (540, 593664), (576, 556560), (640, 500904), (648, 494720), (720, 445248), (768, 417420), (773, 414720), (810, 395776), (864, 371040), (960, 333936), (1024, 313065), (1080, 296832), (1152, 278280), (1280, 250452), (1296, 247360), (1440, 222624), (1536, 208710), (1546, 207360), (1620, 197888), (1728, 185520), (1920, 166968), (2160, 148416), (2304, 139140), (2319, 138240), (2560, 125226), (2592, 123680), (2880, 111312), (3072, 104355), (3092, 103680), (3240, 98944), (3456, 92760), (3840, 83484), (3865, 82944), (4320, 74208), (4608, 69570), (4638, 69120), (5120, 62613), (5184, 61840), (5760, 55656), (6184, 51840), (6480, 49472), (6912, 46380), (6957, 46080), (7680, 41742), (7730, 41472), (8640, 37104), (9216, 34785), (9276, 34560), (10368, 30920), (11520, 27828), (11595, 27648), (12368, 25920), (12960, 24736), (13824, 23190), (13914, 23040), (15360, 20871), (15460, 20736), (17280, 18552)]