620408160

素因数分解:

$2^5\times 3^9\times 5^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 240

約数和(自身を含む): 2209694256

約数和(自身を除く): 1589286096

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 197, 216, 240, 243, 270, 288, 324, 360, 394, 405, 432, 480, 486, 540, 591, 648, 720, 729, 788, 810, 864, 972, 985, 1080, 1182, 1215, 1296, 1440, 1458, 1576, 1620, 1773, 1944, 1970, 2160, 2187, 2364, 2430, 2592, 2916, 2955, 3152, 3240, 3546, 3645, 3888, 3940, 4320, 4374, 4728, 4860, 5319, 5832, 5910, 6304, 6480, 6561, 7092, 7290, 7776, 7880, 8748, 8865, 9456, 9720, 10638, 10935, 11664, 11820, 12960, 13122, 14184, 14580, 15760, 15957, 17496, 17730, 18912, 19440, 19683, 21276, 21870, 23328, 23640, 26244, 26595, 28368, 29160, 31520, 31914, 32805, 34992, 35460, 38880, 39366, 42552, 43740, 47280, 47871, 52488, 53190, 56736, 58320, 63828, 65610, 69984, 70920, 78732, 79785, 85104, 87480, 94560, 95742, 98415, 104976, 106380, 116640, 127656, 131220, 141840, 143613, 157464, 159570, 170208, 174960, 191484, 196830, 209952, 212760, 239355, 255312, 262440, 283680, 287226, 314928, 319140, 349920, 382968, 393660, 425520, 430839, 478710, 510624, 524880, 574452, 629856, 638280, 718065, 765936, 787320, 851040, 861678, 957420, 1049760, 1148904, 1276560, 1292517, 1436130, 1531872, 1574640, 1723356, 1914840, 2154195, 2297808, 2553120, 2585034, 2872260, 3149280, 3446712, 3829680, 3877551, 4308390, 4595616, 5170068, 5744520, 6462585, 6893424, 7659360, 7755102, 8616780, 10340136, 11489040, 12925170, 13786848, 15510204, 17233560, 19387755, 20680272, 22978080, 25850340, 31020408, 34467120, 38775510, 41360544, 51700680, 62040816, 68934240, 77551020, 103401360, 124081632, 155102040, 206802720, 310204080, 620408160]

約数ペア:

[(1, 620408160), (2, 310204080), (3, 206802720), (4, 155102040), (5, 124081632), (6, 103401360), (8, 77551020), (9, 68934240), (10, 62040816), (12, 51700680), (15, 41360544), (16, 38775510), (18, 34467120), (20, 31020408), (24, 25850340), (27, 22978080), (30, 20680272), (32, 19387755), (36, 17233560), (40, 15510204), (45, 13786848), (48, 12925170), (54, 11489040), (60, 10340136), (72, 8616780), (80, 7755102), (81, 7659360), (90, 6893424), (96, 6462585), (108, 5744520), (120, 5170068), (135, 4595616), (144, 4308390), (160, 3877551), (162, 3829680), (180, 3446712), (197, 3149280), (216, 2872260), (240, 2585034), (243, 2553120), (270, 2297808), (288, 2154195), (324, 1914840), (360, 1723356), (394, 1574640), (405, 1531872), (432, 1436130), (480, 1292517), (486, 1276560), (540, 1148904), (591, 1049760), (648, 957420), (720, 861678), (729, 851040), (788, 787320), (810, 765936), (864, 718065), (972, 638280), (985, 629856), (1080, 574452), (1182, 524880), (1215, 510624), (1296, 478710), (1440, 430839), (1458, 425520), (1576, 393660), (1620, 382968), (1773, 349920), (1944, 319140), (1970, 314928), (2160, 287226), (2187, 283680), (2364, 262440), (2430, 255312), (2592, 239355), (2916, 212760), (2955, 209952), (3152, 196830), (3240, 191484), (3546, 174960), (3645, 170208), (3888, 159570), (3940, 157464), (4320, 143613), (4374, 141840), (4728, 131220), (4860, 127656), (5319, 116640), (5832, 106380), (5910, 104976), (6304, 98415), (6480, 95742), (6561, 94560), (7092, 87480), (7290, 85104), (7776, 79785), (7880, 78732), (8748, 70920), (8865, 69984), (9456, 65610), (9720, 63828), (10638, 58320), (10935, 56736), (11664, 53190), (11820, 52488), (12960, 47871), (13122, 47280), (14184, 43740), (14580, 42552), (15760, 39366), (15957, 38880), (17496, 35460), (17730, 34992), (18912, 32805), (19440, 31914), (19683, 31520), (21276, 29160), (21870, 28368), (23328, 26595), (23640, 26244)]