1213678080

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1989

約数の個数: 240

約数和(自身を含む): 4361220864

約数和(自身を除く): 3147542784

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 1951, 2160, 2304, 2430, 2560, 2592, 2880, 3240, 3456, 3840, 3888, 3902, 4320, 4608, 4860, 5184, 5760, 5853, 6480, 6912, 7680, 7776, 7804, 8640, 9720, 9755, 10368, 11520, 11706, 12960, 13824, 15552, 15608, 17280, 17559, 19440, 19510, 20736, 23040, 23412, 25920, 29265, 31104, 31216, 34560, 35118, 38880, 39020, 41472, 46824, 51840, 52677, 58530, 62208, 62432, 69120, 70236, 77760, 78040, 87795, 93648, 103680, 105354, 117060, 124416, 124864, 140472, 155520, 156080, 158031, 175590, 187296, 207360, 210708, 234120, 249728, 263385, 280944, 311040, 312160, 316062, 351180, 374592, 421416, 468240, 474093, 499456, 526770, 561888, 622080, 624320, 632124, 702360, 749184, 790155, 842832, 936480, 948186, 998912, 1053540, 1123776, 1248640, 1264248, 1404720, 1498368, 1580310, 1685664, 1872960, 1896372, 2107080, 2247552, 2370465, 2497280, 2528496, 2809440, 2996736, 3160620, 3371328, 3745920, 3792744, 4214160, 4495104, 4740930, 4994560, 5056992, 5618880, 6321240, 6742656, 7491840, 7585488, 8428320, 8990208, 9481860, 10113984, 11237760, 12642480, 13485312, 14983680, 15170976, 16856640, 18963720, 20227968, 22475520, 25284960, 26970624, 30341952, 33713280, 37927440, 40455936, 44951040, 50569920, 60683904, 67426560, 75854880, 80911872, 101139840, 121367808, 134853120, 151709760, 202279680, 242735616, 303419520, 404559360, 606839040, 1213678080]

約数ペア:

[(1, 1213678080), (2, 606839040), (3, 404559360), (4, 303419520), (5, 242735616), (6, 202279680), (8, 151709760), (9, 134853120), (10, 121367808), (12, 101139840), (15, 80911872), (16, 75854880), (18, 67426560), (20, 60683904), (24, 50569920), (27, 44951040), (30, 40455936), (32, 37927440), (36, 33713280), (40, 30341952), (45, 26970624), (48, 25284960), (54, 22475520), (60, 20227968), (64, 18963720), (72, 16856640), (80, 15170976), (81, 14983680), (90, 13485312), (96, 12642480), (108, 11237760), (120, 10113984), (128, 9481860), (135, 8990208), (144, 8428320), (160, 7585488), (162, 7491840), (180, 6742656), (192, 6321240), (216, 5618880), (240, 5056992), (243, 4994560), (256, 4740930), (270, 4495104), (288, 4214160), (320, 3792744), (324, 3745920), (360, 3371328), (384, 3160620), (405, 2996736), (432, 2809440), (480, 2528496), (486, 2497280), (512, 2370465), (540, 2247552), (576, 2107080), (640, 1896372), (648, 1872960), (720, 1685664), (768, 1580310), (810, 1498368), (864, 1404720), (960, 1264248), (972, 1248640), (1080, 1123776), (1152, 1053540), (1215, 998912), (1280, 948186), (1296, 936480), (1440, 842832), (1536, 790155), (1620, 749184), (1728, 702360), (1920, 632124), (1944, 624320), (1951, 622080), (2160, 561888), (2304, 526770), (2430, 499456), (2560, 474093), (2592, 468240), (2880, 421416), (3240, 374592), (3456, 351180), (3840, 316062), (3888, 312160), (3902, 311040), (4320, 280944), (4608, 263385), (4860, 249728), (5184, 234120), (5760, 210708), (5853, 207360), (6480, 187296), (6912, 175590), (7680, 158031), (7776, 156080), (7804, 155520), (8640, 140472), (9720, 124864), (9755, 124416), (10368, 117060), (11520, 105354), (11706, 103680), (12960, 93648), (13824, 87795), (15552, 78040), (15608, 77760), (17280, 70236), (17559, 69120), (19440, 62432), (19510, 62208), (20736, 58530), (23040, 52677), (23412, 51840), (25920, 46824), (29265, 41472), (31104, 39020), (31216, 38880), (34560, 35118)]