248417280

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{599}}^1$

素因数の和:636

約数の個数: 220

約数和(自身を含む): 891673200

約数和(自身を除く): 643255920

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, 599, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1198, 1280, 1296, 1440, 1536, 1620, 1728, 1797, 1920, 2160, 2304, 2396, 2560, 2592, 2880, 2995, 3072, 3240, 3456, 3594, 3840, 4320, 4608, 4792, 5120, 5184, 5391, 5760, 5990, 6480, 6912, 7188, 7680, 8640, 8985, 9216, 9584, 10368, 10782, 11520, 11980, 12960, 13824, 14376, 15360, 16173, 17280, 17970, 19168, 20736, 21564, 23040, 23960, 25920, 26955, 27648, 28752, 32346, 34560, 35940, 38336, 41472, 43128, 46080, 47920, 48519, 51840, 53910, 57504, 64692, 69120, 71880, 76672, 80865, 82944, 86256, 95840, 97038, 103680, 107820, 115008, 129384, 138240, 143760, 153344, 161730, 172512, 191680, 194076, 207360, 215640, 230016, 242595, 258768, 287520, 306688, 323460, 345024, 383360, 388152, 414720, 431280, 460032, 485190, 517536, 575040, 613376, 646920, 690048, 766720, 776304, 862560, 920064, 970380, 1035072, 1150080, 1293840, 1380096, 1533440, 1552608, 1725120, 1840128, 1940760, 2070144, 2300160, 2587680, 2760192, 3066880, 3105216, 3450240, 3881520, 4140288, 4600320, 5175360, 5520384, 6210432, 6900480, 7763040, 8280576, 9200640, 10350720, 12420864, 13800960, 15526080, 16561152, 20701440, 24841728, 27601920, 31052160, 41402880, 49683456, 62104320, 82805760, 124208640, 248417280]

約数ペア:

[(1, 248417280), (2, 124208640), (3, 82805760), (4, 62104320), (5, 49683456), (6, 41402880), (8, 31052160), (9, 27601920), (10, 24841728), (12, 20701440), (15, 16561152), (16, 15526080), (18, 13800960), (20, 12420864), (24, 10350720), (27, 9200640), (30, 8280576), (32, 7763040), (36, 6900480), (40, 6210432), (45, 5520384), (48, 5175360), (54, 4600320), (60, 4140288), (64, 3881520), (72, 3450240), (80, 3105216), (81, 3066880), (90, 2760192), (96, 2587680), (108, 2300160), (120, 2070144), (128, 1940760), (135, 1840128), (144, 1725120), (160, 1552608), (162, 1533440), (180, 1380096), (192, 1293840), (216, 1150080), (240, 1035072), (256, 970380), (270, 920064), (288, 862560), (320, 776304), (324, 766720), (360, 690048), (384, 646920), (405, 613376), (432, 575040), (480, 517536), (512, 485190), (540, 460032), (576, 431280), (599, 414720), (640, 388152), (648, 383360), (720, 345024), (768, 323460), (810, 306688), (864, 287520), (960, 258768), (1024, 242595), (1080, 230016), (1152, 215640), (1198, 207360), (1280, 194076), (1296, 191680), (1440, 172512), (1536, 161730), (1620, 153344), (1728, 143760), (1797, 138240), (1920, 129384), (2160, 115008), (2304, 107820), (2396, 103680), (2560, 97038), (2592, 95840), (2880, 86256), (2995, 82944), (3072, 80865), (3240, 76672), (3456, 71880), (3594, 69120), (3840, 64692), (4320, 57504), (4608, 53910), (4792, 51840), (5120, 48519), (5184, 47920), (5391, 46080), (5760, 43128), (5990, 41472), (6480, 38336), (6912, 35940), (7188, 34560), (7680, 32346), (8640, 28752), (8985, 27648), (9216, 26955), (9584, 25920), (10368, 23960), (10782, 23040), (11520, 21564), (11980, 20736), (12960, 19168), (13824, 17970), (14376, 17280), (15360, 16173)]