15561983520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13697}}^1$

素因数の和:13984

約数の個数: 192

約数和(自身を含む): 54678032640

約数和(自身を除く): 39116049120

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 263, 270, 288, 360, 432, 480, 526, 540, 720, 789, 864, 1052, 1080, 1315, 1440, 1578, 2104, 2160, 2367, 2630, 3156, 3945, 4208, 4320, 4734, 5260, 6312, 7101, 7890, 8416, 9468, 10520, 11835, 12624, 13697, 14202, 15780, 18936, 21040, 23670, 25248, 27394, 28404, 31560, 35505, 37872, 41091, 42080, 47340, 54788, 56808, 63120, 68485, 71010, 75744, 82182, 94680, 109576, 113616, 123273, 126240, 136970, 142020, 164364, 189360, 205455, 219152, 227232, 246546, 273940, 284040, 328728, 369819, 378720, 410910, 438304, 493092, 547880, 568080, 616365, 657456, 739638, 821820, 986184, 1095760, 1136160, 1232730, 1314912, 1479276, 1643640, 1849095, 1972368, 2191520, 2465460, 2958552, 3287280, 3602311, 3698190, 3944736, 4930920, 5917104, 6574560, 7204622, 7396380, 9861840, 10806933, 11834208, 14409244, 14792760, 18011555, 19723680, 21613866, 28818488, 29585520, 32420799, 36023110, 43227732, 54034665, 57636976, 59171040, 64841598, 72046220, 86455464, 97262397, 108069330, 115273952, 129683196, 144092440, 162103995, 172910928, 194524794, 216138660, 259366392, 288184880, 324207990, 345821856, 389049588, 432277320, 486311985, 518732784, 576369760, 648415980, 778099176, 864554640, 972623970, 1037465568, 1296831960, 1556198352, 1729109280, 1945247940, 2593663920, 3112396704, 3890495880, 5187327840, 7780991760, 15561983520]

約数ペア:

[(1, 15561983520), (2, 7780991760), (3, 5187327840), (4, 3890495880), (5, 3112396704), (6, 2593663920), (8, 1945247940), (9, 1729109280), (10, 1556198352), (12, 1296831960), (15, 1037465568), (16, 972623970), (18, 864554640), (20, 778099176), (24, 648415980), (27, 576369760), (30, 518732784), (32, 486311985), (36, 432277320), (40, 389049588), (45, 345821856), (48, 324207990), (54, 288184880), (60, 259366392), (72, 216138660), (80, 194524794), (90, 172910928), (96, 162103995), (108, 144092440), (120, 129683196), (135, 115273952), (144, 108069330), (160, 97262397), (180, 86455464), (216, 72046220), (240, 64841598), (263, 59171040), (270, 57636976), (288, 54034665), (360, 43227732), (432, 36023110), (480, 32420799), (526, 29585520), (540, 28818488), (720, 21613866), (789, 19723680), (864, 18011555), (1052, 14792760), (1080, 14409244), (1315, 11834208), (1440, 10806933), (1578, 9861840), (2104, 7396380), (2160, 7204622), (2367, 6574560), (2630, 5917104), (3156, 4930920), (3945, 3944736), (4208, 3698190), (4320, 3602311), (4734, 3287280), (5260, 2958552), (6312, 2465460), (7101, 2191520), (7890, 1972368), (8416, 1849095), (9468, 1643640), (10520, 1479276), (11835, 1314912), (12624, 1232730), (13697, 1136160), (14202, 1095760), (15780, 986184), (18936, 821820), (21040, 739638), (23670, 657456), (25248, 616365), (27394, 568080), (28404, 547880), (31560, 493092), (35505, 438304), (37872, 410910), (41091, 378720), (42080, 369819), (47340, 328728), (54788, 284040), (56808, 273940), (63120, 246546), (68485, 227232), (71010, 219152), (75744, 205455), (82182, 189360), (94680, 164364), (109576, 142020), (113616, 136970), (123273, 126240)]