255719520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1154

約数の個数: 288

約数和(自身を含む): 1041610752

約数和(自身を除く): 785891232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1103, 1104, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2206, 2208, 2415, 2520, 2576, 2760, 2898, 3220, 3309, 3312, 3360, 3680, 3864, 4140, 4412, 4830, 5040, 5152, 5515, 5520, 5796, 6440, 6618, 6624, 7245, 7721, 7728, 8280, 8824, 9660, 9927, 10080, 11030, 11040, 11592, 12880, 13236, 14490, 15442, 15456, 16545, 16560, 17648, 19320, 19854, 22060, 23163, 23184, 25369, 25760, 26472, 28980, 30884, 33090, 33120, 35296, 38605, 38640, 39708, 44120, 46326, 46368, 49635, 50738, 52944, 57960, 61768, 66180, 69489, 76107, 77210, 77280, 79416, 88240, 92652, 99270, 101476, 105888, 115815, 115920, 123536, 126845, 132360, 138978, 152214, 154420, 158832, 176480, 177583, 185304, 198540, 202952, 228321, 231630, 231840, 247072, 253690, 264720, 277956, 304428, 308840, 317664, 347445, 355166, 370608, 380535, 397080, 405904, 456642, 463260, 507380, 529440, 532749, 555912, 608856, 617680, 694890, 710332, 741216, 761070, 794160, 811808, 887915, 913284, 926520, 1014760, 1065498, 1111824, 1141605, 1217712, 1235360, 1389780, 1420664, 1522140, 1588320, 1598247, 1775830, 1826568, 1853040, 2029520, 2130996, 2223648, 2283210, 2435424, 2663745, 2779560, 2841328, 3044280, 3196494, 3551660, 3653136, 3706080, 4059040, 4261992, 4566420, 5327490, 5559120, 5682656, 6088560, 6392988, 7103320, 7306272, 7991235, 8523984, 9132840, 10654980, 11118240, 12177120, 12785976, 14206640, 15982470, 17047968, 18265680, 21309960, 25571952, 28413280, 31964940, 36531360, 42619920, 51143904, 63929880, 85239840, 127859760, 255719520]

約数ペア:

[(1, 255719520), (2, 127859760), (3, 85239840), (4, 63929880), (5, 51143904), (6, 42619920), (7, 36531360), (8, 31964940), (9, 28413280), (10, 25571952), (12, 21309960), (14, 18265680), (15, 17047968), (16, 15982470), (18, 14206640), (20, 12785976), (21, 12177120), (23, 11118240), (24, 10654980), (28, 9132840), (30, 8523984), (32, 7991235), (35, 7306272), (36, 7103320), (40, 6392988), (42, 6088560), (45, 5682656), (46, 5559120), (48, 5327490), (56, 4566420), (60, 4261992), (63, 4059040), (69, 3706080), (70, 3653136), (72, 3551660), (80, 3196494), (84, 3044280), (90, 2841328), (92, 2779560), (96, 2663745), (105, 2435424), (112, 2283210), (115, 2223648), (120, 2130996), (126, 2029520), (138, 1853040), (140, 1826568), (144, 1775830), (160, 1598247), (161, 1588320), (168, 1522140), (180, 1420664), (184, 1389780), (207, 1235360), (210, 1217712), (224, 1141605), (230, 1111824), (240, 1065498), (252, 1014760), (276, 926520), (280, 913284), (288, 887915), (315, 811808), (322, 794160), (336, 761070), (345, 741216), (360, 710332), (368, 694890), (414, 617680), (420, 608856), (460, 555912), (480, 532749), (483, 529440), (504, 507380), (552, 463260), (560, 456642), (630, 405904), (644, 397080), (672, 380535), (690, 370608), (720, 355166), (736, 347445), (805, 317664), (828, 308840), (840, 304428), (920, 277956), (966, 264720), (1008, 253690), (1035, 247072), (1103, 231840), (1104, 231630), (1120, 228321), (1260, 202952), (1288, 198540), (1380, 185304), (1440, 177583), (1449, 176480), (1610, 158832), (1656, 154420), (1680, 152214), (1840, 138978), (1932, 132360), (2016, 126845), (2070, 123536), (2206, 115920), (2208, 115815), (2415, 105888), (2520, 101476), (2576, 99270), (2760, 92652), (2898, 88240), (3220, 79416), (3309, 77280), (3312, 77210), (3360, 76107), (3680, 69489), (3864, 66180), (4140, 61768), (4412, 57960), (4830, 52944), (5040, 50738), (5152, 49635), (5515, 46368), (5520, 46326), (5796, 44120), (6440, 39708), (6618, 38640), (6624, 38605), (7245, 35296), (7721, 33120), (7728, 33090), (8280, 30884), (8824, 28980), (9660, 26472), (9927, 25760), (10080, 25369), (11030, 23184), (11040, 23163), (11592, 22060), (12880, 19854), (13236, 19320), (14490, 17648), (15442, 16560), (15456, 16545)]