638435520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{24631}}^1$

素因数の和:24660

約数の個数: 140

約数和(自身を含む): 2271119664

約数和(自身を除く): 1632684144

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 24631, 25920, 49262, 73893, 98524, 123155, 147786, 197048, 221679, 246310, 295572, 369465, 394096, 443358, 492620, 591144, 665037, 738930, 788192, 886716, 985240, 1108395, 1182288, 1330074, 1477860, 1576384, 1773432, 1970480, 1995111, 2216790, 2364576, 2660148, 2955720, 3325185, 3546864, 3940960, 3990222, 4433580, 4729152, 5320296, 5911440, 6650370, 7093728, 7881920, 7980444, 8867160, 9975555, 10640592, 11822880, 13300740, 14187456, 15960888, 17734320, 19951110, 21281184, 23645760, 26601480, 31921776, 35468640, 39902220, 42562368, 53202960, 63843552, 70937280, 79804440, 106405920, 127687104, 159608880, 212811840, 319217760, 638435520]

約数ペア:

[(1, 638435520), (2, 319217760), (3, 212811840), (4, 159608880), (5, 127687104), (6, 106405920), (8, 79804440), (9, 70937280), (10, 63843552), (12, 53202960), (15, 42562368), (16, 39902220), (18, 35468640), (20, 31921776), (24, 26601480), (27, 23645760), (30, 21281184), (32, 19951110), (36, 17734320), (40, 15960888), (45, 14187456), (48, 13300740), (54, 11822880), (60, 10640592), (64, 9975555), (72, 8867160), (80, 7980444), (81, 7881920), (90, 7093728), (96, 6650370), (108, 5911440), (120, 5320296), (135, 4729152), (144, 4433580), (160, 3990222), (162, 3940960), (180, 3546864), (192, 3325185), (216, 2955720), (240, 2660148), (270, 2364576), (288, 2216790), (320, 1995111), (324, 1970480), (360, 1773432), (405, 1576384), (432, 1477860), (480, 1330074), (540, 1182288), (576, 1108395), (648, 985240), (720, 886716), (810, 788192), (864, 738930), (960, 665037), (1080, 591144), (1296, 492620), (1440, 443358), (1620, 394096), (1728, 369465), (2160, 295572), (2592, 246310), (2880, 221679), (3240, 197048), (4320, 147786), (5184, 123155), (6480, 98524), (8640, 73893), (12960, 49262), (24631, 25920)]