255421440

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 264

約数和(自身を含む): 927340128

約数和(自身を除く): 671918688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 241, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 482, 512, 552, 576, 640, 690, 720, 723, 736, 768, 828, 920, 960, 964, 1024, 1035, 1104, 1152, 1205, 1280, 1380, 1440, 1446, 1472, 1536, 1656, 1840, 1920, 1928, 2070, 2169, 2208, 2304, 2410, 2560, 2760, 2880, 2892, 2944, 3072, 3312, 3615, 3680, 3840, 3856, 4140, 4338, 4416, 4608, 4820, 5120, 5520, 5543, 5760, 5784, 5888, 6624, 7230, 7360, 7680, 7712, 8280, 8676, 8832, 9216, 9640, 10845, 11040, 11086, 11520, 11568, 11776, 13248, 14460, 14720, 15360, 15424, 16560, 16629, 17352, 17664, 19280, 21690, 22080, 22172, 23040, 23136, 23552, 26496, 27715, 28920, 29440, 30848, 33120, 33258, 34704, 35328, 38560, 43380, 44160, 44344, 46080, 46272, 49887, 52992, 55430, 57840, 58880, 61696, 66240, 66516, 69408, 70656, 77120, 83145, 86760, 88320, 88688, 92544, 99774, 105984, 110860, 115680, 117760, 123392, 132480, 133032, 138816, 154240, 166290, 173520, 176640, 177376, 185088, 199548, 211968, 221720, 231360, 246784, 249435, 264960, 266064, 277632, 308480, 332580, 347040, 353280, 354752, 370176, 399096, 443440, 462720, 498870, 529920, 532128, 555264, 616960, 665160, 694080, 709504, 740352, 798192, 886880, 925440, 997740, 1059840, 1064256, 1110528, 1233920, 1330320, 1388160, 1419008, 1596384, 1773760, 1850880, 1995480, 2128512, 2221056, 2660640, 2776320, 2838016, 3192768, 3547520, 3701760, 3990960, 4257024, 5321280, 5552640, 5676032, 6385536, 7095040, 7981920, 8514048, 10642560, 11105280, 12771072, 14190080, 15963840, 17028096, 21285120, 25542144, 28380160, 31927680, 42570240, 51084288, 63855360, 85140480, 127710720, 255421440]

約数ペア:

[(1, 255421440), (2, 127710720), (3, 85140480), (4, 63855360), (5, 51084288), (6, 42570240), (8, 31927680), (9, 28380160), (10, 25542144), (12, 21285120), (15, 17028096), (16, 15963840), (18, 14190080), (20, 12771072), (23, 11105280), (24, 10642560), (30, 8514048), (32, 7981920), (36, 7095040), (40, 6385536), (45, 5676032), (46, 5552640), (48, 5321280), (60, 4257024), (64, 3990960), (69, 3701760), (72, 3547520), (80, 3192768), (90, 2838016), (92, 2776320), (96, 2660640), (115, 2221056), (120, 2128512), (128, 1995480), (138, 1850880), (144, 1773760), (160, 1596384), (180, 1419008), (184, 1388160), (192, 1330320), (207, 1233920), (230, 1110528), (240, 1064256), (241, 1059840), (256, 997740), (276, 925440), (288, 886880), (320, 798192), (345, 740352), (360, 709504), (368, 694080), (384, 665160), (414, 616960), (460, 555264), (480, 532128), (482, 529920), (512, 498870), (552, 462720), (576, 443440), (640, 399096), (690, 370176), (720, 354752), (723, 353280), (736, 347040), (768, 332580), (828, 308480), (920, 277632), (960, 266064), (964, 264960), (1024, 249435), (1035, 246784), (1104, 231360), (1152, 221720), (1205, 211968), (1280, 199548), (1380, 185088), (1440, 177376), (1446, 176640), (1472, 173520), (1536, 166290), (1656, 154240), (1840, 138816), (1920, 133032), (1928, 132480), (2070, 123392), (2169, 117760), (2208, 115680), (2304, 110860), (2410, 105984), (2560, 99774), (2760, 92544), (2880, 88688), (2892, 88320), (2944, 86760), (3072, 83145), (3312, 77120), (3615, 70656), (3680, 69408), (3840, 66516), (3856, 66240), (4140, 61696), (4338, 58880), (4416, 57840), (4608, 55430), (4820, 52992), (5120, 49887), (5520, 46272), (5543, 46080), (5760, 44344), (5784, 44160), (5888, 43380), (6624, 38560), (7230, 35328), (7360, 34704), (7680, 33258), (7712, 33120), (8280, 30848), (8676, 29440), (8832, 28920), (9216, 27715), (9640, 26496), (10845, 23552), (11040, 23136), (11086, 23040), (11520, 22172), (11568, 22080), (11776, 21690), (13248, 19280), (14460, 17664), (14720, 17352), (15360, 16629), (15424, 16560)]