388910880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 1403438400

約数和(自身を除く): 1014527520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 67, 72, 80, 87, 90, 96, 116, 120, 134, 139, 144, 145, 160, 174, 180, 201, 232, 240, 261, 268, 278, 288, 290, 335, 348, 360, 402, 417, 435, 464, 480, 522, 536, 556, 580, 603, 670, 695, 696, 720, 804, 834, 870, 928, 1005, 1044, 1072, 1112, 1160, 1206, 1251, 1305, 1340, 1390, 1392, 1440, 1608, 1668, 1740, 1943, 2010, 2085, 2088, 2144, 2224, 2320, 2412, 2502, 2610, 2680, 2780, 2784, 3015, 3216, 3336, 3480, 3886, 4020, 4031, 4170, 4176, 4448, 4640, 4824, 5004, 5220, 5360, 5560, 5829, 6030, 6255, 6432, 6672, 6960, 7772, 8040, 8062, 8340, 8352, 9313, 9648, 9715, 10008, 10440, 10720, 11120, 11658, 12060, 12093, 12510, 13344, 13920, 15544, 16080, 16124, 16680, 17487, 18626, 19296, 19430, 20016, 20155, 20880, 22240, 23316, 24120, 24186, 25020, 27939, 29145, 31088, 32160, 32248, 33360, 34974, 36279, 37252, 38860, 40032, 40310, 41760, 46565, 46632, 48240, 48372, 50040, 55878, 58290, 60465, 62176, 64496, 66720, 69948, 72558, 74504, 77720, 80620, 83817, 87435, 93130, 93264, 96480, 96744, 100080, 111756, 116580, 120930, 128992, 139695, 139896, 145116, 149008, 155440, 161240, 167634, 174870, 181395, 186260, 186528, 193488, 200160, 223512, 233160, 241860, 270077, 279390, 279792, 290232, 298016, 310880, 322480, 335268, 349740, 362790, 372520, 386976, 419085, 447024, 466320, 483720, 540154, 558780, 559584, 580464, 644960, 670536, 699480, 725580, 745040, 810231, 838170, 894048, 932640, 967440, 1080308, 1117560, 1160928, 1341072, 1350385, 1398960, 1451160, 1490080, 1620462, 1676340, 1934880, 2160616, 2235120, 2430693, 2682144, 2700770, 2797920, 2902320, 3240924, 3352680, 4051155, 4321232, 4470240, 4861386, 5401540, 5804640, 6481848, 6705360, 8102310, 8642464, 9722772, 10803080, 12153465, 12963696, 13410720, 16204620, 19445544, 21606160, 24306930, 25927392, 32409240, 38891088, 43212320, 48613860, 64818480, 77782176, 97227720, 129636960, 194455440, 388910880]

約数ペア:

[(1, 388910880), (2, 194455440), (3, 129636960), (4, 97227720), (5, 77782176), (6, 64818480), (8, 48613860), (9, 43212320), (10, 38891088), (12, 32409240), (15, 25927392), (16, 24306930), (18, 21606160), (20, 19445544), (24, 16204620), (29, 13410720), (30, 12963696), (32, 12153465), (36, 10803080), (40, 9722772), (45, 8642464), (48, 8102310), (58, 6705360), (60, 6481848), (67, 5804640), (72, 5401540), (80, 4861386), (87, 4470240), (90, 4321232), (96, 4051155), (116, 3352680), (120, 3240924), (134, 2902320), (139, 2797920), (144, 2700770), (145, 2682144), (160, 2430693), (174, 2235120), (180, 2160616), (201, 1934880), (232, 1676340), (240, 1620462), (261, 1490080), (268, 1451160), (278, 1398960), (288, 1350385), (290, 1341072), (335, 1160928), (348, 1117560), (360, 1080308), (402, 967440), (417, 932640), (435, 894048), (464, 838170), (480, 810231), (522, 745040), (536, 725580), (556, 699480), (580, 670536), (603, 644960), (670, 580464), (695, 559584), (696, 558780), (720, 540154), (804, 483720), (834, 466320), (870, 447024), (928, 419085), (1005, 386976), (1044, 372520), (1072, 362790), (1112, 349740), (1160, 335268), (1206, 322480), (1251, 310880), (1305, 298016), (1340, 290232), (1390, 279792), (1392, 279390), (1440, 270077), (1608, 241860), (1668, 233160), (1740, 223512), (1943, 200160), (2010, 193488), (2085, 186528), (2088, 186260), (2144, 181395), (2224, 174870), (2320, 167634), (2412, 161240), (2502, 155440), (2610, 149008), (2680, 145116), (2780, 139896), (2784, 139695), (3015, 128992), (3216, 120930), (3336, 116580), (3480, 111756), (3886, 100080), (4020, 96744), (4031, 96480), (4170, 93264), (4176, 93130), (4448, 87435), (4640, 83817), (4824, 80620), (5004, 77720), (5220, 74504), (5360, 72558), (5560, 69948), (5829, 66720), (6030, 64496), (6255, 62176), (6432, 60465), (6672, 58290), (6960, 55878), (7772, 50040), (8040, 48372), (8062, 48240), (8340, 46632), (8352, 46565), (9313, 41760), (9648, 40310), (9715, 40032), (10008, 38860), (10440, 37252), (10720, 36279), (11120, 34974), (11658, 33360), (12060, 32248), (12093, 32160), (12510, 31088), (13344, 29145), (13920, 27939), (15544, 25020), (16080, 24186), (16124, 24120), (16680, 23316), (17487, 22240), (18626, 20880), (19296, 20155), (19430, 20016)]