64420020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 288

約数和(自身を含む): 242161920

約数和(自身を除く): 177741900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 41, 42, 43, 45, 58, 60, 63, 70, 82, 84, 86, 87, 90, 105, 116, 123, 126, 129, 140, 145, 164, 172, 174, 180, 203, 205, 210, 215, 246, 252, 258, 261, 287, 290, 301, 315, 348, 369, 387, 406, 410, 420, 430, 435, 492, 516, 522, 574, 580, 602, 609, 615, 630, 645, 738, 774, 812, 820, 860, 861, 870, 903, 1015, 1044, 1148, 1189, 1204, 1218, 1230, 1247, 1260, 1290, 1305, 1435, 1476, 1505, 1548, 1722, 1740, 1763, 1806, 1827, 1845, 1935, 2030, 2378, 2436, 2460, 2494, 2580, 2583, 2610, 2709, 2870, 3010, 3045, 3444, 3526, 3567, 3612, 3654, 3690, 3741, 3870, 4060, 4305, 4515, 4756, 4988, 5166, 5220, 5289, 5418, 5740, 5945, 6020, 6090, 6235, 7052, 7134, 7308, 7380, 7482, 7740, 8323, 8610, 8729, 8815, 9030, 9135, 10332, 10578, 10701, 10836, 11223, 11890, 12180, 12341, 12470, 12915, 13545, 14268, 14964, 15867, 16646, 17220, 17458, 17630, 17835, 18060, 18270, 18705, 21156, 21402, 22446, 23780, 24682, 24940, 24969, 25830, 26187, 26445, 27090, 31734, 33292, 34916, 35260, 35670, 36540, 37023, 37410, 41615, 42804, 43645, 44892, 49364, 49938, 51127, 51660, 52374, 52890, 53505, 54180, 56115, 61705, 63468, 71340, 74046, 74820, 74907, 78561, 79335, 83230, 87290, 99876, 102254, 104748, 105780, 107010, 111069, 112230, 123410, 124845, 130935, 148092, 149814, 153381, 157122, 158670, 166460, 174580, 185115, 204508, 214020, 222138, 224460, 246820, 249690, 255635, 261870, 299628, 306762, 314244, 317340, 357889, 370230, 374535, 392805, 444276, 460143, 499380, 511270, 523740, 555345, 613524, 715778, 740460, 749070, 766905, 785610, 920286, 1022540, 1073667, 1110690, 1431556, 1498140, 1533810, 1571220, 1789445, 1840572, 2147334, 2221380, 2300715, 3067620, 3221001, 3578890, 4294668, 4601430, 5368335, 6442002, 7157780, 9202860, 10736670, 12884004, 16105005, 21473340, 32210010, 64420020]

約数ペア:

[(1, 64420020), (2, 32210010), (3, 21473340), (4, 16105005), (5, 12884004), (6, 10736670), (7, 9202860), (9, 7157780), (10, 6442002), (12, 5368335), (14, 4601430), (15, 4294668), (18, 3578890), (20, 3221001), (21, 3067620), (28, 2300715), (29, 2221380), (30, 2147334), (35, 1840572), (36, 1789445), (41, 1571220), (42, 1533810), (43, 1498140), (45, 1431556), (58, 1110690), (60, 1073667), (63, 1022540), (70, 920286), (82, 785610), (84, 766905), (86, 749070), (87, 740460), (90, 715778), (105, 613524), (116, 555345), (123, 523740), (126, 511270), (129, 499380), (140, 460143), (145, 444276), (164, 392805), (172, 374535), (174, 370230), (180, 357889), (203, 317340), (205, 314244), (210, 306762), (215, 299628), (246, 261870), (252, 255635), (258, 249690), (261, 246820), (287, 224460), (290, 222138), (301, 214020), (315, 204508), (348, 185115), (369, 174580), (387, 166460), (406, 158670), (410, 157122), (420, 153381), (430, 149814), (435, 148092), (492, 130935), (516, 124845), (522, 123410), (574, 112230), (580, 111069), (602, 107010), (609, 105780), (615, 104748), (630, 102254), (645, 99876), (738, 87290), (774, 83230), (812, 79335), (820, 78561), (860, 74907), (861, 74820), (870, 74046), (903, 71340), (1015, 63468), (1044, 61705), (1148, 56115), (1189, 54180), (1204, 53505), (1218, 52890), (1230, 52374), (1247, 51660), (1260, 51127), (1290, 49938), (1305, 49364), (1435, 44892), (1476, 43645), (1505, 42804), (1548, 41615), (1722, 37410), (1740, 37023), (1763, 36540), (1806, 35670), (1827, 35260), (1845, 34916), (1935, 33292), (2030, 31734), (2378, 27090), (2436, 26445), (2460, 26187), (2494, 25830), (2580, 24969), (2583, 24940), (2610, 24682), (2709, 23780), (2870, 22446), (3010, 21402), (3045, 21156), (3444, 18705), (3526, 18270), (3567, 18060), (3612, 17835), (3654, 17630), (3690, 17458), (3741, 17220), (3870, 16646), (4060, 15867), (4305, 14964), (4515, 14268), (4756, 13545), (4988, 12915), (5166, 12470), (5220, 12341), (5289, 12180), (5418, 11890), (5740, 11223), (5945, 10836), (6020, 10701), (6090, 10578), (6235, 10332), (7052, 9135), (7134, 9030), (7308, 8815), (7380, 8729), (7482, 8610), (7740, 8323)]