256137120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 903934080

約数和(自身を除く): 647796960

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 211, 216, 240, 270, 281, 288, 360, 422, 432, 480, 540, 562, 633, 720, 843, 844, 864, 1055, 1080, 1124, 1266, 1405, 1440, 1686, 1688, 1899, 2110, 2160, 2248, 2529, 2532, 2810, 3165, 3372, 3376, 3798, 4215, 4220, 4320, 4496, 5058, 5064, 5620, 5697, 6330, 6744, 6752, 7587, 7596, 8430, 8440, 8992, 9495, 10116, 10128, 11240, 11394, 12645, 12660, 13488, 15174, 15192, 16860, 16880, 18990, 20232, 20256, 22480, 22788, 25290, 25320, 26976, 28485, 30348, 30384, 33720, 33760, 37935, 37980, 40464, 44960, 45576, 50580, 50640, 56970, 59291, 60696, 60768, 67440, 75870, 75960, 80928, 91152, 101160, 101280, 113940, 118582, 121392, 134880, 151740, 151920, 177873, 182304, 202320, 227880, 237164, 242784, 296455, 303480, 303840, 355746, 404640, 455760, 474328, 533619, 592910, 606960, 711492, 889365, 911520, 948656, 1067238, 1185820, 1213920, 1422984, 1600857, 1778730, 1897312, 2134476, 2371640, 2668095, 2845968, 3201714, 3557460, 4268952, 4743280, 5336190, 5691936, 6403428, 7114920, 8004285, 8537904, 9486560, 10672380, 12806856, 14229840, 16008570, 17075808, 21344760, 25613712, 28459680, 32017140, 42689520, 51227424, 64034280, 85379040, 128068560, 256137120]

約数ペア:

[(1, 256137120), (2, 128068560), (3, 85379040), (4, 64034280), (5, 51227424), (6, 42689520), (8, 32017140), (9, 28459680), (10, 25613712), (12, 21344760), (15, 17075808), (16, 16008570), (18, 14229840), (20, 12806856), (24, 10672380), (27, 9486560), (30, 8537904), (32, 8004285), (36, 7114920), (40, 6403428), (45, 5691936), (48, 5336190), (54, 4743280), (60, 4268952), (72, 3557460), (80, 3201714), (90, 2845968), (96, 2668095), (108, 2371640), (120, 2134476), (135, 1897312), (144, 1778730), (160, 1600857), (180, 1422984), (211, 1213920), (216, 1185820), (240, 1067238), (270, 948656), (281, 911520), (288, 889365), (360, 711492), (422, 606960), (432, 592910), (480, 533619), (540, 474328), (562, 455760), (633, 404640), (720, 355746), (843, 303840), (844, 303480), (864, 296455), (1055, 242784), (1080, 237164), (1124, 227880), (1266, 202320), (1405, 182304), (1440, 177873), (1686, 151920), (1688, 151740), (1899, 134880), (2110, 121392), (2160, 118582), (2248, 113940), (2529, 101280), (2532, 101160), (2810, 91152), (3165, 80928), (3372, 75960), (3376, 75870), (3798, 67440), (4215, 60768), (4220, 60696), (4320, 59291), (4496, 56970), (5058, 50640), (5064, 50580), (5620, 45576), (5697, 44960), (6330, 40464), (6744, 37980), (6752, 37935), (7587, 33760), (7596, 33720), (8430, 30384), (8440, 30348), (8992, 28485), (9495, 26976), (10116, 25320), (10128, 25290), (11240, 22788), (11394, 22480), (12645, 20256), (12660, 20232), (13488, 18990), (15174, 16880), (15192, 16860)]