128384021920

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{212669}}^1$

素因数の和:212716

約数の個数: 192

約数和(自身を含む): 385868448000

約数和(自身を除く): 257484426080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 343, 352, 385, 392, 440, 490, 539, 560, 616, 686, 770, 784, 880, 980, 1078, 1120, 1232, 1372, 1540, 1568, 1715, 1760, 1960, 2156, 2464, 2695, 2744, 3080, 3430, 3773, 3920, 4312, 5390, 5488, 6160, 6860, 7546, 7840, 8624, 10780, 10976, 12320, 13720, 15092, 17248, 18865, 21560, 27440, 30184, 37730, 43120, 54880, 60368, 75460, 86240, 120736, 150920, 212669, 301840, 425338, 603680, 850676, 1063345, 1488683, 1701352, 2126690, 2339359, 2977366, 3402704, 4253380, 4678718, 5954732, 6805408, 7443415, 8506760, 9357436, 10420781, 11696795, 11909464, 14886830, 16375513, 17013520, 18714872, 20841562, 23393590, 23818928, 29773660, 32751026, 34027040, 37429744, 41683124, 46787180, 47637856, 52103905, 59547320, 65502052, 72945467, 74859488, 81877565, 83366248, 93574360, 104207810, 114628591, 119094640, 131004104, 145890934, 163755130, 166732496, 187148720, 208415620, 229257182, 238189280, 262008208, 291781868, 327510260, 333464992, 364727335, 374297440, 416831240, 458514364, 524016416, 573142955, 583563736, 655020520, 729454670, 802400137, 833662480, 917028728, 1146285910, 1167127472, 1310041040, 1458909340, 1604800274, 1667324960, 1834057456, 2292571820, 2334254944, 2620082080, 2917818680, 3209600548, 3668114912, 4012000685, 4585143640, 5835637360, 6419201096, 8024001370, 9170287280, 11671274720, 12838402192, 16048002740, 18340574560, 25676804384, 32096005480, 64192010960, 128384021920]

約数ペア:

[(1, 128384021920), (2, 64192010960), (4, 32096005480), (5, 25676804384), (7, 18340574560), (8, 16048002740), (10, 12838402192), (11, 11671274720), (14, 9170287280), (16, 8024001370), (20, 6419201096), (22, 5835637360), (28, 4585143640), (32, 4012000685), (35, 3668114912), (40, 3209600548), (44, 2917818680), (49, 2620082080), (55, 2334254944), (56, 2292571820), (70, 1834057456), (77, 1667324960), (80, 1604800274), (88, 1458909340), (98, 1310041040), (110, 1167127472), (112, 1146285910), (140, 917028728), (154, 833662480), (160, 802400137), (176, 729454670), (196, 655020520), (220, 583563736), (224, 573142955), (245, 524016416), (280, 458514364), (308, 416831240), (343, 374297440), (352, 364727335), (385, 333464992), (392, 327510260), (440, 291781868), (490, 262008208), (539, 238189280), (560, 229257182), (616, 208415620), (686, 187148720), (770, 166732496), (784, 163755130), (880, 145890934), (980, 131004104), (1078, 119094640), (1120, 114628591), (1232, 104207810), (1372, 93574360), (1540, 83366248), (1568, 81877565), (1715, 74859488), (1760, 72945467), (1960, 65502052), (2156, 59547320), (2464, 52103905), (2695, 47637856), (2744, 46787180), (3080, 41683124), (3430, 37429744), (3773, 34027040), (3920, 32751026), (4312, 29773660), (5390, 23818928), (5488, 23393590), (6160, 20841562), (6860, 18714872), (7546, 17013520), (7840, 16375513), (8624, 14886830), (10780, 11909464), (10976, 11696795), (12320, 10420781), (13720, 9357436), (15092, 8506760), (17248, 7443415), (18865, 6805408), (21560, 5954732), (27440, 4678718), (30184, 4253380), (37730, 3402704), (43120, 2977366), (54880, 2339359), (60368, 2126690), (75460, 1701352), (86240, 1488683), (120736, 1063345), (150920, 850676), (212669, 603680), (301840, 425338)]