20903566080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{8627}}^1$

素因数の和:9282

約数の個数: 144

約数和(自身を含む): 66874316544

約数和(自身を除く): 45970750464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 631, 640, 768, 960, 1262, 1280, 1893, 1920, 2524, 3155, 3786, 3840, 5048, 6310, 7572, 8627, 9465, 10096, 12620, 15144, 17254, 18930, 20192, 25240, 25881, 30288, 34508, 37860, 40384, 43135, 50480, 51762, 60576, 69016, 75720, 80768, 86270, 100960, 103524, 121152, 129405, 138032, 151440, 161536, 172540, 201920, 207048, 242304, 258810, 276064, 302880, 345080, 403840, 414096, 484608, 517620, 552128, 605760, 690160, 807680, 828192, 1035240, 1104256, 1211520, 1380320, 1656384, 2070480, 2208512, 2423040, 2760640, 3312768, 4140960, 5443637, 5521280, 6625536, 8281920, 10887274, 11042560, 16330911, 16563840, 21774548, 27218185, 32661822, 33127680, 43549096, 54436370, 65323644, 81654555, 87098192, 108872740, 130647288, 163309110, 174196384, 217745480, 261294576, 326618220, 348392768, 435490960, 522589152, 653236440, 696785536, 870981920, 1045178304, 1306472880, 1393571072, 1741963840, 2090356608, 2612945760, 3483927680, 4180713216, 5225891520, 6967855360, 10451783040, 20903566080]

約数ペア:

[(1, 20903566080), (2, 10451783040), (3, 6967855360), (4, 5225891520), (5, 4180713216), (6, 3483927680), (8, 2612945760), (10, 2090356608), (12, 1741963840), (15, 1393571072), (16, 1306472880), (20, 1045178304), (24, 870981920), (30, 696785536), (32, 653236440), (40, 522589152), (48, 435490960), (60, 348392768), (64, 326618220), (80, 261294576), (96, 217745480), (120, 174196384), (128, 163309110), (160, 130647288), (192, 108872740), (240, 87098192), (256, 81654555), (320, 65323644), (384, 54436370), (480, 43549096), (631, 33127680), (640, 32661822), (768, 27218185), (960, 21774548), (1262, 16563840), (1280, 16330911), (1893, 11042560), (1920, 10887274), (2524, 8281920), (3155, 6625536), (3786, 5521280), (3840, 5443637), (5048, 4140960), (6310, 3312768), (7572, 2760640), (8627, 2423040), (9465, 2208512), (10096, 2070480), (12620, 1656384), (15144, 1380320), (17254, 1211520), (18930, 1104256), (20192, 1035240), (25240, 828192), (25881, 807680), (30288, 690160), (34508, 605760), (37860, 552128), (40384, 517620), (43135, 484608), (50480, 414096), (51762, 403840), (60576, 345080), (69016, 302880), (75720, 276064), (80768, 258810), (86270, 242304), (100960, 207048), (103524, 201920), (121152, 172540), (129405, 161536), (138032, 151440)]