281818080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 288

約数和(自身を含む): 1026514944

約数和(自身を除く): 744696864

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, 67, 69, 72, 80, 90, 92, 96, 115, 120, 127, 134, 138, 144, 160, 180, 184, 201, 207, 230, 240, 254, 268, 276, 288, 335, 345, 360, 368, 381, 402, 414, 460, 480, 508, 536, 552, 603, 635, 670, 690, 720, 736, 762, 804, 828, 920, 1005, 1016, 1035, 1072, 1104, 1143, 1206, 1270, 1340, 1380, 1440, 1524, 1541, 1608, 1656, 1840, 1905, 2010, 2032, 2070, 2144, 2208, 2286, 2412, 2540, 2680, 2760, 2921, 3015, 3048, 3082, 3216, 3312, 3680, 3810, 4020, 4064, 4140, 4572, 4623, 4824, 5080, 5360, 5520, 5715, 5842, 6030, 6096, 6164, 6432, 6624, 7620, 7705, 8040, 8280, 8509, 8763, 9144, 9246, 9648, 10160, 10720, 11040, 11430, 11684, 12060, 12192, 12328, 13869, 14605, 15240, 15410, 16080, 16560, 17018, 17526, 18288, 18492, 19296, 20320, 22860, 23115, 23368, 24120, 24656, 25527, 26289, 27738, 29210, 30480, 30820, 32160, 33120, 34036, 35052, 36576, 36984, 42545, 43815, 45720, 46230, 46736, 48240, 49312, 51054, 52578, 55476, 58420, 60960, 61640, 68072, 69345, 70104, 73968, 76581, 85090, 87630, 91440, 92460, 93472, 96480, 102108, 105156, 110952, 116840, 123280, 127635, 131445, 136144, 138690, 140208, 147936, 153162, 170180, 175260, 182880, 184920, 195707, 204216, 210312, 221904, 233680, 246560, 255270, 262890, 272288, 277380, 280416, 306324, 340360, 350520, 369840, 382905, 391414, 408432, 420624, 443808, 467360, 510540, 525780, 554760, 587121, 612648, 680720, 701040, 739680, 765810, 782828, 816864, 841248, 978535, 1021080, 1051560, 1109520, 1174242, 1225296, 1361440, 1402080, 1531620, 1565656, 1761363, 1957070, 2042160, 2103120, 2219040, 2348484, 2450592, 2935605, 3063240, 3131312, 3522726, 3914140, 4084320, 4206240, 4696968, 5871210, 6126480, 6262624, 7045452, 7828280, 8806815, 9393936, 11742420, 12252960, 14090904, 15656560, 17613630, 18787872, 23484840, 28181808, 31313120, 35227260, 46969680, 56363616, 70454520, 93939360, 140909040, 281818080]

約数ペア:

[(1, 281818080), (2, 140909040), (3, 93939360), (4, 70454520), (5, 56363616), (6, 46969680), (8, 35227260), (9, 31313120), (10, 28181808), (12, 23484840), (15, 18787872), (16, 17613630), (18, 15656560), (20, 14090904), (23, 12252960), (24, 11742420), (30, 9393936), (32, 8806815), (36, 7828280), (40, 7045452), (45, 6262624), (46, 6126480), (48, 5871210), (60, 4696968), (67, 4206240), (69, 4084320), (72, 3914140), (80, 3522726), (90, 3131312), (92, 3063240), (96, 2935605), (115, 2450592), (120, 2348484), (127, 2219040), (134, 2103120), (138, 2042160), (144, 1957070), (160, 1761363), (180, 1565656), (184, 1531620), (201, 1402080), (207, 1361440), (230, 1225296), (240, 1174242), (254, 1109520), (268, 1051560), (276, 1021080), (288, 978535), (335, 841248), (345, 816864), (360, 782828), (368, 765810), (381, 739680), (402, 701040), (414, 680720), (460, 612648), (480, 587121), (508, 554760), (536, 525780), (552, 510540), (603, 467360), (635, 443808), (670, 420624), (690, 408432), (720, 391414), (736, 382905), (762, 369840), (804, 350520), (828, 340360), (920, 306324), (1005, 280416), (1016, 277380), (1035, 272288), (1072, 262890), (1104, 255270), (1143, 246560), (1206, 233680), (1270, 221904), (1340, 210312), (1380, 204216), (1440, 195707), (1524, 184920), (1541, 182880), (1608, 175260), (1656, 170180), (1840, 153162), (1905, 147936), (2010, 140208), (2032, 138690), (2070, 136144), (2144, 131445), (2208, 127635), (2286, 123280), (2412, 116840), (2540, 110952), (2680, 105156), (2760, 102108), (2921, 96480), (3015, 93472), (3048, 92460), (3082, 91440), (3216, 87630), (3312, 85090), (3680, 76581), (3810, 73968), (4020, 70104), (4064, 69345), (4140, 68072), (4572, 61640), (4623, 60960), (4824, 58420), (5080, 55476), (5360, 52578), (5520, 51054), (5715, 49312), (5842, 48240), (6030, 46736), (6096, 46230), (6164, 45720), (6432, 43815), (6624, 42545), (7620, 36984), (7705, 36576), (8040, 35052), (8280, 34036), (8509, 33120), (8763, 32160), (9144, 30820), (9246, 30480), (9648, 29210), (10160, 27738), (10720, 26289), (11040, 25527), (11430, 24656), (11684, 24120), (12060, 23368), (12192, 23115), (12328, 22860), (13869, 20320), (14605, 19296), (15240, 18492), (15410, 18288), (16080, 17526), (16560, 17018)]