128213400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^4\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 468887400

約数和(自身を除く): 340674000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 89, 98, 100, 105, 120, 140, 147, 150, 168, 175, 178, 196, 200, 210, 245, 267, 280, 294, 300, 343, 350, 356, 392, 420, 445, 490, 525, 534, 588, 600, 623, 686, 700, 712, 735, 840, 890, 980, 1029, 1050, 1068, 1176, 1225, 1246, 1335, 1372, 1400, 1470, 1715, 1780, 1869, 1960, 2058, 2100, 2136, 2225, 2401, 2450, 2492, 2670, 2744, 2940, 3115, 3430, 3560, 3675, 3738, 4116, 4200, 4361, 4450, 4802, 4900, 4984, 5145, 5340, 5880, 6230, 6675, 6860, 7203, 7350, 7476, 8232, 8575, 8722, 8900, 9345, 9604, 9800, 10290, 10680, 12005, 12460, 13083, 13350, 13720, 14406, 14700, 14952, 15575, 17150, 17444, 17800, 18690, 19208, 20580, 21805, 24010, 24920, 25725, 26166, 26700, 28812, 29400, 30527, 31150, 34300, 34888, 36015, 37380, 41160, 43610, 46725, 48020, 51450, 52332, 53400, 57624, 60025, 61054, 62300, 65415, 68600, 72030, 74760, 87220, 91581, 93450, 96040, 102900, 104664, 109025, 120050, 122108, 124600, 130830, 144060, 152635, 174440, 180075, 183162, 186900, 205800, 213689, 218050, 240100, 244216, 261660, 288120, 305270, 327075, 360150, 366324, 373800, 427378, 436100, 457905, 480200, 523320, 610540, 641067, 654150, 720300, 732648, 763175, 854756, 872200, 915810, 1068445, 1221080, 1282134, 1308300, 1440600, 1526350, 1709512, 1831620, 2136890, 2289525, 2564268, 2616600, 3052700, 3205335, 3663240, 4273780, 4579050, 5128536, 5342225, 6105400, 6410670, 8547560, 9158100, 10684450, 12821340, 16026675, 18316200, 21368900, 25642680, 32053350, 42737800, 64106700, 128213400]

約数ペア:

[(1, 128213400), (2, 64106700), (3, 42737800), (4, 32053350), (5, 25642680), (6, 21368900), (7, 18316200), (8, 16026675), (10, 12821340), (12, 10684450), (14, 9158100), (15, 8547560), (20, 6410670), (21, 6105400), (24, 5342225), (25, 5128536), (28, 4579050), (30, 4273780), (35, 3663240), (40, 3205335), (42, 3052700), (49, 2616600), (50, 2564268), (56, 2289525), (60, 2136890), (70, 1831620), (75, 1709512), (84, 1526350), (89, 1440600), (98, 1308300), (100, 1282134), (105, 1221080), (120, 1068445), (140, 915810), (147, 872200), (150, 854756), (168, 763175), (175, 732648), (178, 720300), (196, 654150), (200, 641067), (210, 610540), (245, 523320), (267, 480200), (280, 457905), (294, 436100), (300, 427378), (343, 373800), (350, 366324), (356, 360150), (392, 327075), (420, 305270), (445, 288120), (490, 261660), (525, 244216), (534, 240100), (588, 218050), (600, 213689), (623, 205800), (686, 186900), (700, 183162), (712, 180075), (735, 174440), (840, 152635), (890, 144060), (980, 130830), (1029, 124600), (1050, 122108), (1068, 120050), (1176, 109025), (1225, 104664), (1246, 102900), (1335, 96040), (1372, 93450), (1400, 91581), (1470, 87220), (1715, 74760), (1780, 72030), (1869, 68600), (1960, 65415), (2058, 62300), (2100, 61054), (2136, 60025), (2225, 57624), (2401, 53400), (2450, 52332), (2492, 51450), (2670, 48020), (2744, 46725), (2940, 43610), (3115, 41160), (3430, 37380), (3560, 36015), (3675, 34888), (3738, 34300), (4116, 31150), (4200, 30527), (4361, 29400), (4450, 28812), (4802, 26700), (4900, 26166), (4984, 25725), (5145, 24920), (5340, 24010), (5880, 21805), (6230, 20580), (6675, 19208), (6860, 18690), (7203, 17800), (7350, 17444), (7476, 17150), (8232, 15575), (8575, 14952), (8722, 14700), (8900, 14406), (9345, 13720), (9604, 13350), (9800, 13083), (10290, 12460), (10680, 12005)]