128779140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 434649600

約数和(自身を除く): 305870460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 97, 105, 109, 116, 140, 145, 174, 194, 203, 210, 218, 290, 291, 327, 348, 388, 406, 420, 435, 436, 485, 545, 580, 582, 609, 654, 679, 763, 812, 870, 970, 1015, 1090, 1164, 1218, 1308, 1358, 1455, 1526, 1635, 1740, 1940, 2030, 2037, 2180, 2289, 2436, 2716, 2813, 2910, 3045, 3052, 3161, 3270, 3395, 3815, 4060, 4074, 4578, 5626, 5820, 6090, 6322, 6540, 6790, 7630, 8148, 8439, 9156, 9483, 10185, 10573, 11252, 11445, 12180, 12644, 13580, 14065, 15260, 15805, 16878, 18966, 19691, 20370, 21146, 22127, 22890, 28130, 31610, 31719, 33756, 37932, 39382, 40740, 42195, 42292, 44254, 45780, 47415, 52865, 56260, 59073, 63220, 63438, 66381, 74011, 78764, 84390, 88508, 94830, 98455, 105730, 110635, 118146, 126876, 132762, 148022, 158595, 168780, 189660, 196910, 211460, 221270, 222033, 236292, 265524, 295365, 296044, 306617, 317190, 331905, 370055, 393820, 442540, 444066, 590730, 613234, 634380, 663810, 740110, 888132, 919851, 1110165, 1181460, 1226468, 1327620, 1480220, 1533085, 1839702, 2146319, 2220330, 3066170, 3679404, 4292638, 4440660, 4599255, 6132340, 6438957, 8585276, 9198510, 10731595, 12877914, 18397020, 21463190, 25755828, 32194785, 42926380, 64389570, 128779140]

約数ペア:

[(1, 128779140), (2, 64389570), (3, 42926380), (4, 32194785), (5, 25755828), (6, 21463190), (7, 18397020), (10, 12877914), (12, 10731595), (14, 9198510), (15, 8585276), (20, 6438957), (21, 6132340), (28, 4599255), (29, 4440660), (30, 4292638), (35, 3679404), (42, 3066170), (58, 2220330), (60, 2146319), (70, 1839702), (84, 1533085), (87, 1480220), (97, 1327620), (105, 1226468), (109, 1181460), (116, 1110165), (140, 919851), (145, 888132), (174, 740110), (194, 663810), (203, 634380), (210, 613234), (218, 590730), (290, 444066), (291, 442540), (327, 393820), (348, 370055), (388, 331905), (406, 317190), (420, 306617), (435, 296044), (436, 295365), (485, 265524), (545, 236292), (580, 222033), (582, 221270), (609, 211460), (654, 196910), (679, 189660), (763, 168780), (812, 158595), (870, 148022), (970, 132762), (1015, 126876), (1090, 118146), (1164, 110635), (1218, 105730), (1308, 98455), (1358, 94830), (1455, 88508), (1526, 84390), (1635, 78764), (1740, 74011), (1940, 66381), (2030, 63438), (2037, 63220), (2180, 59073), (2289, 56260), (2436, 52865), (2716, 47415), (2813, 45780), (2910, 44254), (3045, 42292), (3052, 42195), (3161, 40740), (3270, 39382), (3395, 37932), (3815, 33756), (4060, 31719), (4074, 31610), (4578, 28130), (5626, 22890), (5820, 22127), (6090, 21146), (6322, 20370), (6540, 19691), (6790, 18966), (7630, 16878), (8148, 15805), (8439, 15260), (9156, 14065), (9483, 13580), (10185, 12644), (10573, 12180), (11252, 11445)]