256132140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 836075520

約数和(自身を除く): 579943380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 47, 55, 60, 66, 69, 92, 94, 110, 115, 132, 138, 141, 165, 188, 220, 230, 235, 253, 276, 282, 330, 345, 359, 460, 470, 506, 517, 564, 660, 690, 705, 718, 759, 940, 1012, 1034, 1077, 1081, 1265, 1380, 1410, 1436, 1518, 1551, 1795, 2068, 2154, 2162, 2530, 2585, 2820, 3036, 3102, 3243, 3590, 3795, 3949, 4308, 4324, 5060, 5170, 5385, 5405, 6204, 6486, 7180, 7590, 7755, 7898, 8257, 10340, 10770, 10810, 11847, 11891, 12972, 15180, 15510, 15796, 16215, 16514, 16873, 19745, 21540, 21620, 23694, 23782, 24771, 31020, 32430, 33028, 33746, 35673, 39490, 41285, 47388, 47564, 49542, 50619, 59235, 59455, 64860, 67492, 71346, 78980, 82570, 84365, 90827, 99084, 101238, 118470, 118910, 123855, 142692, 165140, 168730, 178365, 181654, 185603, 202476, 236940, 237820, 247710, 253095, 272481, 337460, 356730, 363308, 371206, 388079, 454135, 495420, 506190, 544962, 556809, 713460, 742412, 776158, 908270, 928015, 1012380, 1089924, 1113618, 1164237, 1362405, 1552316, 1816540, 1856030, 1940395, 2227236, 2328474, 2724810, 2784045, 3712060, 3880790, 4268869, 4656948, 5449620, 5568090, 5821185, 7761580, 8537738, 11136180, 11642370, 12806607, 17075476, 21344345, 23284740, 25613214, 42688690, 51226428, 64033035, 85377380, 128066070, 256132140]

約数ペア:

[(1, 256132140), (2, 128066070), (3, 85377380), (4, 64033035), (5, 51226428), (6, 42688690), (10, 25613214), (11, 23284740), (12, 21344345), (15, 17075476), (20, 12806607), (22, 11642370), (23, 11136180), (30, 8537738), (33, 7761580), (44, 5821185), (46, 5568090), (47, 5449620), (55, 4656948), (60, 4268869), (66, 3880790), (69, 3712060), (92, 2784045), (94, 2724810), (110, 2328474), (115, 2227236), (132, 1940395), (138, 1856030), (141, 1816540), (165, 1552316), (188, 1362405), (220, 1164237), (230, 1113618), (235, 1089924), (253, 1012380), (276, 928015), (282, 908270), (330, 776158), (345, 742412), (359, 713460), (460, 556809), (470, 544962), (506, 506190), (517, 495420), (564, 454135), (660, 388079), (690, 371206), (705, 363308), (718, 356730), (759, 337460), (940, 272481), (1012, 253095), (1034, 247710), (1077, 237820), (1081, 236940), (1265, 202476), (1380, 185603), (1410, 181654), (1436, 178365), (1518, 168730), (1551, 165140), (1795, 142692), (2068, 123855), (2154, 118910), (2162, 118470), (2530, 101238), (2585, 99084), (2820, 90827), (3036, 84365), (3102, 82570), (3243, 78980), (3590, 71346), (3795, 67492), (3949, 64860), (4308, 59455), (4324, 59235), (5060, 50619), (5170, 49542), (5385, 47564), (5405, 47388), (6204, 41285), (6486, 39490), (7180, 35673), (7590, 33746), (7755, 33028), (7898, 32430), (8257, 31020), (10340, 24771), (10770, 23782), (10810, 23694), (11847, 21620), (11891, 21540), (12972, 19745), (15180, 16873), (15510, 16514), (15796, 16215)]