255732480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 216

約数和(自身を含む): 899196480

約数和(自身を除く): 643464000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 256, 281, 288, 316, 320, 360, 384, 395, 474, 480, 562, 576, 632, 640, 711, 720, 768, 790, 843, 948, 960, 1124, 1152, 1185, 1264, 1280, 1405, 1422, 1440, 1580, 1686, 1896, 1920, 2248, 2304, 2370, 2528, 2529, 2810, 2844, 2880, 3160, 3372, 3555, 3792, 3840, 4215, 4496, 4740, 5056, 5058, 5620, 5688, 5760, 6320, 6744, 7110, 7584, 8430, 8992, 9480, 10112, 10116, 11240, 11376, 11520, 12640, 12645, 13488, 14220, 15168, 16860, 17984, 18960, 20224, 20232, 22199, 22480, 22752, 25280, 25290, 26976, 28440, 30336, 33720, 35968, 37920, 40464, 44398, 44960, 45504, 50560, 50580, 53952, 56880, 60672, 66597, 67440, 71936, 75840, 80928, 88796, 89920, 91008, 101120, 101160, 107904, 110995, 113760, 133194, 134880, 151680, 161856, 177592, 179840, 182016, 199791, 202320, 215808, 221990, 227520, 266388, 269760, 303360, 323712, 332985, 355184, 359680, 399582, 404640, 443980, 455040, 532776, 539520, 647424, 665970, 710368, 799164, 809280, 887960, 910080, 998955, 1065552, 1079040, 1331940, 1420736, 1598328, 1618560, 1775920, 1997910, 2131104, 2663880, 2841472, 3196656, 3237120, 3551840, 3995820, 4262208, 5327760, 5682944, 6393312, 7103680, 7991640, 8524416, 10655520, 12786624, 14207360, 15983280, 17048832, 21311040, 25573248, 28414720, 31966560, 42622080, 51146496, 63933120, 85244160, 127866240, 255732480]

約数ペア:

[(1, 255732480), (2, 127866240), (3, 85244160), (4, 63933120), (5, 51146496), (6, 42622080), (8, 31966560), (9, 28414720), (10, 25573248), (12, 21311040), (15, 17048832), (16, 15983280), (18, 14207360), (20, 12786624), (24, 10655520), (30, 8524416), (32, 7991640), (36, 7103680), (40, 6393312), (45, 5682944), (48, 5327760), (60, 4262208), (64, 3995820), (72, 3551840), (79, 3237120), (80, 3196656), (90, 2841472), (96, 2663880), (120, 2131104), (128, 1997910), (144, 1775920), (158, 1618560), (160, 1598328), (180, 1420736), (192, 1331940), (237, 1079040), (240, 1065552), (256, 998955), (281, 910080), (288, 887960), (316, 809280), (320, 799164), (360, 710368), (384, 665970), (395, 647424), (474, 539520), (480, 532776), (562, 455040), (576, 443980), (632, 404640), (640, 399582), (711, 359680), (720, 355184), (768, 332985), (790, 323712), (843, 303360), (948, 269760), (960, 266388), (1124, 227520), (1152, 221990), (1185, 215808), (1264, 202320), (1280, 199791), (1405, 182016), (1422, 179840), (1440, 177592), (1580, 161856), (1686, 151680), (1896, 134880), (1920, 133194), (2248, 113760), (2304, 110995), (2370, 107904), (2528, 101160), (2529, 101120), (2810, 91008), (2844, 89920), (2880, 88796), (3160, 80928), (3372, 75840), (3555, 71936), (3792, 67440), (3840, 66597), (4215, 60672), (4496, 56880), (4740, 53952), (5056, 50580), (5058, 50560), (5620, 45504), (5688, 44960), (5760, 44398), (6320, 40464), (6744, 37920), (7110, 35968), (7584, 33720), (8430, 30336), (8992, 28440), (9480, 26976), (10112, 25290), (10116, 25280), (11240, 22752), (11376, 22480), (11520, 22199), (12640, 20232), (12645, 20224), (13488, 18960), (14220, 17984), (15168, 16860)]