220384920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 256

約数和(自身を含む): 798336000

約数和(自身を除く): 577951080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 83, 84, 87, 105, 109, 116, 120, 140, 145, 166, 168, 174, 203, 210, 218, 232, 249, 280, 290, 327, 332, 348, 406, 415, 420, 435, 436, 498, 545, 580, 581, 609, 654, 664, 696, 763, 812, 830, 840, 870, 872, 996, 1015, 1090, 1160, 1162, 1218, 1245, 1308, 1526, 1624, 1635, 1660, 1740, 1743, 1992, 2030, 2180, 2289, 2324, 2407, 2436, 2490, 2616, 2905, 3045, 3052, 3161, 3270, 3320, 3480, 3486, 3815, 4060, 4360, 4578, 4648, 4814, 4872, 4980, 5810, 6090, 6104, 6322, 6540, 6972, 7221, 7630, 8120, 8715, 9047, 9156, 9483, 9628, 9960, 11445, 11620, 12035, 12180, 12644, 13080, 13944, 14442, 15260, 15805, 16849, 17430, 18094, 18312, 18966, 19256, 22127, 22890, 23240, 24070, 24360, 25288, 27141, 28884, 30520, 31610, 33698, 34860, 36105, 36188, 37932, 44254, 45235, 45780, 47415, 48140, 50547, 54282, 57768, 63220, 63329, 66381, 67396, 69720, 72210, 72376, 75864, 84245, 88508, 90470, 91560, 94830, 96280, 101094, 108564, 110635, 126440, 126658, 132762, 134792, 135705, 144420, 168490, 177016, 180940, 189660, 189987, 202188, 217128, 221270, 252735, 253316, 262363, 265524, 271410, 288840, 316645, 331905, 336980, 361880, 379320, 379974, 404376, 442540, 505470, 506632, 524726, 531048, 542820, 633290, 663810, 673960, 759948, 787089, 885080, 949935, 1010940, 1049452, 1085640, 1266580, 1311815, 1327620, 1519896, 1574178, 1836541, 1899870, 2021880, 2098904, 2533160, 2623630, 2655240, 3148356, 3673082, 3799740, 3935445, 5247260, 5509623, 6296712, 7346164, 7599480, 7870890, 9182705, 10494520, 11019246, 14692328, 15741780, 18365410, 22038492, 27548115, 31483560, 36730820, 44076984, 55096230, 73461640, 110192460, 220384920]

約数ペア:

[(1, 220384920), (2, 110192460), (3, 73461640), (4, 55096230), (5, 44076984), (6, 36730820), (7, 31483560), (8, 27548115), (10, 22038492), (12, 18365410), (14, 15741780), (15, 14692328), (20, 11019246), (21, 10494520), (24, 9182705), (28, 7870890), (29, 7599480), (30, 7346164), (35, 6296712), (40, 5509623), (42, 5247260), (56, 3935445), (58, 3799740), (60, 3673082), (70, 3148356), (83, 2655240), (84, 2623630), (87, 2533160), (105, 2098904), (109, 2021880), (116, 1899870), (120, 1836541), (140, 1574178), (145, 1519896), (166, 1327620), (168, 1311815), (174, 1266580), (203, 1085640), (210, 1049452), (218, 1010940), (232, 949935), (249, 885080), (280, 787089), (290, 759948), (327, 673960), (332, 663810), (348, 633290), (406, 542820), (415, 531048), (420, 524726), (435, 506632), (436, 505470), (498, 442540), (545, 404376), (580, 379974), (581, 379320), (609, 361880), (654, 336980), (664, 331905), (696, 316645), (763, 288840), (812, 271410), (830, 265524), (840, 262363), (870, 253316), (872, 252735), (996, 221270), (1015, 217128), (1090, 202188), (1160, 189987), (1162, 189660), (1218, 180940), (1245, 177016), (1308, 168490), (1526, 144420), (1624, 135705), (1635, 134792), (1660, 132762), (1740, 126658), (1743, 126440), (1992, 110635), (2030, 108564), (2180, 101094), (2289, 96280), (2324, 94830), (2407, 91560), (2436, 90470), (2490, 88508), (2616, 84245), (2905, 75864), (3045, 72376), (3052, 72210), (3161, 69720), (3270, 67396), (3320, 66381), (3480, 63329), (3486, 63220), (3815, 57768), (4060, 54282), (4360, 50547), (4578, 48140), (4648, 47415), (4814, 45780), (4872, 45235), (4980, 44254), (5810, 37932), (6090, 36188), (6104, 36105), (6322, 34860), (6540, 33698), (6972, 31610), (7221, 30520), (7630, 28884), (8120, 27141), (8715, 25288), (9047, 24360), (9156, 24070), (9483, 23240), (9628, 22890), (9960, 22127), (11445, 19256), (11620, 18966), (12035, 18312), (12180, 18094), (12644, 17430), (13080, 16849), (13944, 15805), (14442, 15260)]