205427880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:993

約数の個数: 256

約数和(自身を含む): 810432000

約数和(自身を除く): 605004120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 756, 783, 812, 840, 870, 937, 945, 1015, 1044, 1080, 1160, 1218, 1260, 1305, 1512, 1566, 1624, 1740, 1827, 1874, 1890, 2030, 2088, 2436, 2520, 2610, 2811, 3045, 3132, 3480, 3654, 3748, 3780, 3915, 4060, 4685, 4872, 5220, 5481, 5622, 6090, 6264, 6559, 7308, 7496, 7560, 7830, 8120, 8433, 9135, 9370, 10440, 10962, 11244, 12180, 13118, 14055, 14616, 15660, 16866, 18270, 18740, 19677, 21924, 22488, 24360, 25299, 26236, 27173, 27405, 28110, 31320, 32795, 33732, 36540, 37480, 39354, 42165, 43848, 50598, 52472, 54346, 54810, 56220, 59031, 65590, 67464, 73080, 78708, 81519, 84330, 98385, 101196, 108692, 109620, 112440, 118062, 126495, 131180, 135865, 157416, 163038, 168660, 177093, 190211, 196770, 202392, 217384, 219240, 236124, 244557, 252990, 262360, 271730, 295155, 326076, 337320, 354186, 380422, 393540, 407595, 472248, 489114, 505980, 543460, 570633, 590310, 652152, 708372, 733671, 760844, 787080, 815190, 885465, 951055, 978228, 1011960, 1086920, 1141266, 1180620, 1222785, 1416744, 1467342, 1521688, 1630380, 1711899, 1770930, 1902110, 1956456, 2282532, 2361240, 2445570, 2853165, 2934684, 3260760, 3423798, 3541860, 3668355, 3804220, 4565064, 4891140, 5135697, 5706330, 5869368, 6847596, 7083720, 7336710, 7608440, 8559495, 9782280, 10271394, 11412660, 13695192, 14673420, 17118990, 20542788, 22825320, 25678485, 29346840, 34237980, 41085576, 51356970, 68475960, 102713940, 205427880]

約数ペア:

[(1, 205427880), (2, 102713940), (3, 68475960), (4, 51356970), (5, 41085576), (6, 34237980), (7, 29346840), (8, 25678485), (9, 22825320), (10, 20542788), (12, 17118990), (14, 14673420), (15, 13695192), (18, 11412660), (20, 10271394), (21, 9782280), (24, 8559495), (27, 7608440), (28, 7336710), (29, 7083720), (30, 6847596), (35, 5869368), (36, 5706330), (40, 5135697), (42, 4891140), (45, 4565064), (54, 3804220), (56, 3668355), (58, 3541860), (60, 3423798), (63, 3260760), (70, 2934684), (72, 2853165), (84, 2445570), (87, 2361240), (90, 2282532), (105, 1956456), (108, 1902110), (116, 1770930), (120, 1711899), (126, 1630380), (135, 1521688), (140, 1467342), (145, 1416744), (168, 1222785), (174, 1180620), (180, 1141266), (189, 1086920), (203, 1011960), (210, 978228), (216, 951055), (232, 885465), (252, 815190), (261, 787080), (270, 760844), (280, 733671), (290, 708372), (315, 652152), (348, 590310), (360, 570633), (378, 543460), (406, 505980), (420, 489114), (435, 472248), (504, 407595), (522, 393540), (540, 380422), (580, 354186), (609, 337320), (630, 326076), (696, 295155), (756, 271730), (783, 262360), (812, 252990), (840, 244557), (870, 236124), (937, 219240), (945, 217384), (1015, 202392), (1044, 196770), (1080, 190211), (1160, 177093), (1218, 168660), (1260, 163038), (1305, 157416), (1512, 135865), (1566, 131180), (1624, 126495), (1740, 118062), (1827, 112440), (1874, 109620), (1890, 108692), (2030, 101196), (2088, 98385), (2436, 84330), (2520, 81519), (2610, 78708), (2811, 73080), (3045, 67464), (3132, 65590), (3480, 59031), (3654, 56220), (3748, 54810), (3780, 54346), (3915, 52472), (4060, 50598), (4685, 43848), (4872, 42165), (5220, 39354), (5481, 37480), (5622, 36540), (6090, 33732), (6264, 32795), (6559, 31320), (7308, 28110), (7496, 27405), (7560, 27173), (7830, 26236), (8120, 25299), (8433, 24360), (9135, 22488), (9370, 21924), (10440, 19677), (10962, 18740), (11244, 18270), (12180, 16866), (13118, 15660), (14055, 14616)]