278984160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2170

約数の個数: 288

約数和(自身を含む): 1172283840

約数和(自身を除く): 893299680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2129, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4258, 4368, 4680, 5040, 5460, 6240, 6387, 6552, 7280, 8190, 8516, 8736, 9360, 10080, 10645, 10920, 12774, 13104, 14560, 14903, 16380, 17032, 18720, 19161, 21290, 21840, 25548, 26208, 27677, 29806, 31935, 32760, 34064, 38322, 42580, 43680, 44709, 51096, 55354, 59612, 63870, 65520, 68128, 74515, 76644, 83031, 85160, 89418, 95805, 102192, 110708, 119224, 127740, 131040, 134127, 138385, 149030, 153288, 166062, 170320, 178836, 191610, 193739, 204384, 221416, 223545, 238448, 249093, 255480, 268254, 276770, 298060, 306576, 332124, 340640, 357672, 383220, 387478, 415155, 442832, 447090, 476896, 498186, 510960, 536508, 553540, 581217, 596120, 613152, 664248, 670635, 715344, 766440, 774956, 830310, 885664, 894180, 968695, 996372, 1021920, 1073016, 1107080, 1162434, 1192240, 1245465, 1328496, 1341270, 1430688, 1532880, 1549912, 1660620, 1743651, 1788360, 1937390, 1992744, 2146032, 2214160, 2324868, 2384480, 2490930, 2656992, 2682540, 2906085, 3065760, 3099824, 3321240, 3487302, 3576720, 3874780, 3985488, 4292064, 4428320, 4649736, 4981860, 5365080, 5812170, 6199648, 6642480, 6974604, 7153440, 7749560, 7970976, 8718255, 9299472, 9963720, 10730160, 11624340, 13284960, 13949208, 15499120, 17436510, 18598944, 19927440, 21460320, 23248680, 27898416, 30998240, 34873020, 39854880, 46497360, 55796832, 69746040, 92994720, 139492080, 278984160]

約数ペア:

[(1, 278984160), (2, 139492080), (3, 92994720), (4, 69746040), (5, 55796832), (6, 46497360), (7, 39854880), (8, 34873020), (9, 30998240), (10, 27898416), (12, 23248680), (13, 21460320), (14, 19927440), (15, 18598944), (16, 17436510), (18, 15499120), (20, 13949208), (21, 13284960), (24, 11624340), (26, 10730160), (28, 9963720), (30, 9299472), (32, 8718255), (35, 7970976), (36, 7749560), (39, 7153440), (40, 6974604), (42, 6642480), (45, 6199648), (48, 5812170), (52, 5365080), (56, 4981860), (60, 4649736), (63, 4428320), (65, 4292064), (70, 3985488), (72, 3874780), (78, 3576720), (80, 3487302), (84, 3321240), (90, 3099824), (91, 3065760), (96, 2906085), (104, 2682540), (105, 2656992), (112, 2490930), (117, 2384480), (120, 2324868), (126, 2214160), (130, 2146032), (140, 1992744), (144, 1937390), (156, 1788360), (160, 1743651), (168, 1660620), (180, 1549912), (182, 1532880), (195, 1430688), (208, 1341270), (210, 1328496), (224, 1245465), (234, 1192240), (240, 1162434), (252, 1107080), (260, 1073016), (273, 1021920), (280, 996372), (288, 968695), (312, 894180), (315, 885664), (336, 830310), (360, 774956), (364, 766440), (390, 715344), (416, 670635), (420, 664248), (455, 613152), (468, 596120), (480, 581217), (504, 553540), (520, 536508), (546, 510960), (560, 498186), (585, 476896), (624, 447090), (630, 442832), (672, 415155), (720, 387478), (728, 383220), (780, 357672), (819, 340640), (840, 332124), (910, 306576), (936, 298060), (1008, 276770), (1040, 268254), (1092, 255480), (1120, 249093), (1170, 238448), (1248, 223545), (1260, 221416), (1365, 204384), (1440, 193739), (1456, 191610), (1560, 178836), (1638, 170320), (1680, 166062), (1820, 153288), (1872, 149030), (2016, 138385), (2080, 134127), (2129, 131040), (2184, 127740), (2340, 119224), (2520, 110708), (2730, 102192), (2912, 95805), (3120, 89418), (3276, 85160), (3360, 83031), (3640, 76644), (3744, 74515), (4095, 68128), (4258, 65520), (4368, 63870), (4680, 59612), (5040, 55354), (5460, 51096), (6240, 44709), (6387, 43680), (6552, 42580), (7280, 38322), (8190, 34064), (8516, 32760), (8736, 31935), (9360, 29806), (10080, 27677), (10645, 26208), (10920, 25548), (12774, 21840), (13104, 21290), (14560, 19161), (14903, 18720), (16380, 17032)]