129521280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 256

約数和(自身を含む): 493516800

約数和(自身を除く): 363995520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 419, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 838, 840, 896, 920, 960, 966, 1104, 1120, 1257, 1288, 1344, 1380, 1472, 1610, 1676, 1680, 1840, 1920, 1932, 2095, 2208, 2240, 2415, 2514, 2576, 2688, 2760, 2933, 2944, 3220, 3352, 3360, 3680, 3864, 4190, 4416, 4480, 4830, 5028, 5152, 5520, 5866, 6285, 6440, 6704, 6720, 7360, 7728, 8380, 8799, 8832, 9637, 9660, 10056, 10304, 11040, 11732, 12570, 12880, 13408, 13440, 14665, 14720, 15456, 16760, 17598, 19274, 19320, 20112, 20608, 22080, 23464, 25140, 25760, 26816, 28911, 29330, 30912, 33520, 35196, 38548, 38640, 40224, 43995, 44160, 46928, 48185, 50280, 51520, 53632, 57822, 58660, 61824, 67040, 67459, 70392, 77096, 77280, 80448, 87990, 93856, 96370, 100560, 103040, 115644, 117320, 134080, 134918, 140784, 144555, 154192, 154560, 160896, 175980, 187712, 192740, 201120, 202377, 231288, 234640, 268160, 269836, 281568, 289110, 308384, 309120, 337295, 351960, 375424, 385480, 402240, 404754, 462576, 469280, 539672, 563136, 578220, 616768, 674590, 703920, 770960, 804480, 809508, 925152, 938560, 1011885, 1079344, 1126272, 1156440, 1233536, 1349180, 1407840, 1541920, 1619016, 1850304, 1877120, 2023770, 2158688, 2312880, 2698360, 2815680, 3083840, 3238032, 3700608, 4047540, 4317376, 4625760, 5396720, 5631360, 6167680, 6476064, 8095080, 8634752, 9251520, 10793440, 12952128, 16190160, 18503040, 21586880, 25904256, 32380320, 43173760, 64760640, 129521280]

約数ペア:

[(1, 129521280), (2, 64760640), (3, 43173760), (4, 32380320), (5, 25904256), (6, 21586880), (7, 18503040), (8, 16190160), (10, 12952128), (12, 10793440), (14, 9251520), (15, 8634752), (16, 8095080), (20, 6476064), (21, 6167680), (23, 5631360), (24, 5396720), (28, 4625760), (30, 4317376), (32, 4047540), (35, 3700608), (40, 3238032), (42, 3083840), (46, 2815680), (48, 2698360), (56, 2312880), (60, 2158688), (64, 2023770), (69, 1877120), (70, 1850304), (80, 1619016), (84, 1541920), (92, 1407840), (96, 1349180), (105, 1233536), (112, 1156440), (115, 1126272), (120, 1079344), (128, 1011885), (138, 938560), (140, 925152), (160, 809508), (161, 804480), (168, 770960), (184, 703920), (192, 674590), (210, 616768), (224, 578220), (230, 563136), (240, 539672), (276, 469280), (280, 462576), (320, 404754), (322, 402240), (336, 385480), (345, 375424), (368, 351960), (384, 337295), (419, 309120), (420, 308384), (448, 289110), (460, 281568), (480, 269836), (483, 268160), (552, 234640), (560, 231288), (640, 202377), (644, 201120), (672, 192740), (690, 187712), (736, 175980), (805, 160896), (838, 154560), (840, 154192), (896, 144555), (920, 140784), (960, 134918), (966, 134080), (1104, 117320), (1120, 115644), (1257, 103040), (1288, 100560), (1344, 96370), (1380, 93856), (1472, 87990), (1610, 80448), (1676, 77280), (1680, 77096), (1840, 70392), (1920, 67459), (1932, 67040), (2095, 61824), (2208, 58660), (2240, 57822), (2415, 53632), (2514, 51520), (2576, 50280), (2688, 48185), (2760, 46928), (2933, 44160), (2944, 43995), (3220, 40224), (3352, 38640), (3360, 38548), (3680, 35196), (3864, 33520), (4190, 30912), (4416, 29330), (4480, 28911), (4830, 26816), (5028, 25760), (5152, 25140), (5520, 23464), (5866, 22080), (6285, 20608), (6440, 20112), (6704, 19320), (6720, 19274), (7360, 17598), (7728, 16760), (8380, 15456), (8799, 14720), (8832, 14665), (9637, 13440), (9660, 13408), (10056, 12880), (10304, 12570), (11040, 11732)]