255804480

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 280

約数和(自身を含む): 929396160

約数和(自身を除く): 673591680

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, 64, 71, 72, 80, 81, 90, 96, 108, 120, 135, 139, 142, 144, 160, 162, 180, 192, 213, 216, 240, 270, 278, 284, 288, 320, 324, 355, 360, 405, 417, 426, 432, 480, 540, 556, 568, 576, 639, 648, 695, 710, 720, 810, 834, 852, 864, 960, 1065, 1080, 1112, 1136, 1251, 1278, 1296, 1390, 1420, 1440, 1620, 1668, 1704, 1728, 1917, 2085, 2130, 2160, 2224, 2272, 2502, 2556, 2592, 2780, 2840, 2880, 3195, 3240, 3336, 3408, 3753, 3834, 4170, 4260, 4320, 4448, 4544, 5004, 5112, 5184, 5560, 5680, 5751, 6255, 6390, 6480, 6672, 6816, 7506, 7668, 8340, 8520, 8640, 8896, 9585, 9869, 10008, 10224, 11120, 11259, 11360, 11502, 12510, 12780, 12960, 13344, 13632, 15012, 15336, 16680, 17040, 18765, 19170, 19738, 20016, 20448, 22240, 22518, 22720, 23004, 25020, 25560, 25920, 26688, 28755, 29607, 30024, 30672, 33360, 34080, 37530, 38340, 39476, 40032, 40896, 44480, 45036, 46008, 49345, 50040, 51120, 56295, 57510, 59214, 60048, 61344, 66720, 68160, 75060, 76680, 78952, 80064, 88821, 90072, 92016, 98690, 100080, 102240, 112590, 115020, 118428, 120096, 122688, 133440, 148035, 150120, 153360, 157904, 177642, 180144, 184032, 197380, 200160, 204480, 225180, 230040, 236856, 240192, 266463, 296070, 300240, 306720, 315808, 355284, 360288, 368064, 394760, 400320, 444105, 450360, 460080, 473712, 532926, 592140, 600480, 613440, 631616, 710568, 720576, 789520, 799389, 888210, 900720, 920160, 947424, 1065852, 1184280, 1200960, 1332315, 1421136, 1579040, 1598778, 1776420, 1801440, 1840320, 1894848, 2131704, 2368560, 2664630, 2842272, 3158080, 3197556, 3552840, 3602880, 3996945, 4263408, 4737120, 5329260, 5684544, 6395112, 7105680, 7993890, 8526816, 9474240, 10658520, 12790224, 14211360, 15987780, 17053632, 21317040, 25580448, 28422720, 31975560, 42634080, 51160896, 63951120, 85268160, 127902240, 255804480]

約数ペア:

[(1, 255804480), (2, 127902240), (3, 85268160), (4, 63951120), (5, 51160896), (6, 42634080), (8, 31975560), (9, 28422720), (10, 25580448), (12, 21317040), (15, 17053632), (16, 15987780), (18, 14211360), (20, 12790224), (24, 10658520), (27, 9474240), (30, 8526816), (32, 7993890), (36, 7105680), (40, 6395112), (45, 5684544), (48, 5329260), (54, 4737120), (60, 4263408), (64, 3996945), (71, 3602880), (72, 3552840), (80, 3197556), (81, 3158080), (90, 2842272), (96, 2664630), (108, 2368560), (120, 2131704), (135, 1894848), (139, 1840320), (142, 1801440), (144, 1776420), (160, 1598778), (162, 1579040), (180, 1421136), (192, 1332315), (213, 1200960), (216, 1184280), (240, 1065852), (270, 947424), (278, 920160), (284, 900720), (288, 888210), (320, 799389), (324, 789520), (355, 720576), (360, 710568), (405, 631616), (417, 613440), (426, 600480), (432, 592140), (480, 532926), (540, 473712), (556, 460080), (568, 450360), (576, 444105), (639, 400320), (648, 394760), (695, 368064), (710, 360288), (720, 355284), (810, 315808), (834, 306720), (852, 300240), (864, 296070), (960, 266463), (1065, 240192), (1080, 236856), (1112, 230040), (1136, 225180), (1251, 204480), (1278, 200160), (1296, 197380), (1390, 184032), (1420, 180144), (1440, 177642), (1620, 157904), (1668, 153360), (1704, 150120), (1728, 148035), (1917, 133440), (2085, 122688), (2130, 120096), (2160, 118428), (2224, 115020), (2272, 112590), (2502, 102240), (2556, 100080), (2592, 98690), (2780, 92016), (2840, 90072), (2880, 88821), (3195, 80064), (3240, 78952), (3336, 76680), (3408, 75060), (3753, 68160), (3834, 66720), (4170, 61344), (4260, 60048), (4320, 59214), (4448, 57510), (4544, 56295), (5004, 51120), (5112, 50040), (5184, 49345), (5560, 46008), (5680, 45036), (5751, 44480), (6255, 40896), (6390, 40032), (6480, 39476), (6672, 38340), (6816, 37530), (7506, 34080), (7668, 33360), (8340, 30672), (8520, 30024), (8640, 29607), (8896, 28755), (9585, 26688), (9869, 25920), (10008, 25560), (10224, 25020), (11120, 23004), (11259, 22720), (11360, 22518), (11502, 22240), (12510, 20448), (12780, 20016), (12960, 19738), (13344, 19170), (13632, 18765), (15012, 17040), (15336, 16680)]