18674040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 72990720

約数和(自身を除く): 54316680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 47, 55, 56, 60, 66, 70, 77, 84, 86, 88, 94, 105, 110, 120, 129, 132, 140, 141, 154, 165, 168, 172, 188, 210, 215, 220, 231, 235, 258, 264, 280, 282, 301, 308, 329, 330, 344, 376, 385, 420, 430, 440, 462, 470, 473, 516, 517, 564, 602, 616, 645, 658, 660, 705, 770, 840, 860, 903, 924, 940, 946, 987, 1032, 1034, 1128, 1155, 1204, 1290, 1316, 1320, 1410, 1419, 1505, 1540, 1551, 1645, 1720, 1806, 1848, 1880, 1892, 1974, 2021, 2068, 2310, 2365, 2408, 2580, 2585, 2632, 2820, 2838, 3010, 3080, 3102, 3290, 3311, 3612, 3619, 3784, 3948, 4042, 4136, 4515, 4620, 4730, 4935, 5160, 5170, 5640, 5676, 6020, 6063, 6204, 6580, 6622, 7095, 7224, 7238, 7755, 7896, 8084, 9030, 9240, 9460, 9870, 9933, 10105, 10340, 10857, 11352, 12040, 12126, 12408, 13160, 13244, 14147, 14190, 14476, 15510, 16168, 16555, 18060, 18095, 18920, 19740, 19866, 20210, 20680, 21714, 22231, 24252, 26488, 28294, 28380, 28952, 30315, 31020, 33110, 36120, 36190, 39480, 39732, 40420, 42441, 43428, 44462, 48504, 49665, 54285, 56588, 56760, 60630, 62040, 66220, 66693, 70735, 72380, 79464, 80840, 84882, 86856, 88924, 99330, 108570, 111155, 113176, 121260, 132440, 133386, 141470, 144760, 155617, 169764, 177848, 198660, 212205, 217140, 222310, 242520, 266772, 282940, 311234, 333465, 339528, 397320, 424410, 434280, 444620, 466851, 533544, 565880, 622468, 666930, 778085, 848820, 889240, 933702, 1244936, 1333860, 1556170, 1697640, 1867404, 2334255, 2667720, 3112340, 3734808, 4668510, 6224680, 9337020, 18674040]

約数ペア:

[(1, 18674040), (2, 9337020), (3, 6224680), (4, 4668510), (5, 3734808), (6, 3112340), (7, 2667720), (8, 2334255), (10, 1867404), (11, 1697640), (12, 1556170), (14, 1333860), (15, 1244936), (20, 933702), (21, 889240), (22, 848820), (24, 778085), (28, 666930), (30, 622468), (33, 565880), (35, 533544), (40, 466851), (42, 444620), (43, 434280), (44, 424410), (47, 397320), (55, 339528), (56, 333465), (60, 311234), (66, 282940), (70, 266772), (77, 242520), (84, 222310), (86, 217140), (88, 212205), (94, 198660), (105, 177848), (110, 169764), (120, 155617), (129, 144760), (132, 141470), (140, 133386), (141, 132440), (154, 121260), (165, 113176), (168, 111155), (172, 108570), (188, 99330), (210, 88924), (215, 86856), (220, 84882), (231, 80840), (235, 79464), (258, 72380), (264, 70735), (280, 66693), (282, 66220), (301, 62040), (308, 60630), (329, 56760), (330, 56588), (344, 54285), (376, 49665), (385, 48504), (420, 44462), (430, 43428), (440, 42441), (462, 40420), (470, 39732), (473, 39480), (516, 36190), (517, 36120), (564, 33110), (602, 31020), (616, 30315), (645, 28952), (658, 28380), (660, 28294), (705, 26488), (770, 24252), (840, 22231), (860, 21714), (903, 20680), (924, 20210), (940, 19866), (946, 19740), (987, 18920), (1032, 18095), (1034, 18060), (1128, 16555), (1155, 16168), (1204, 15510), (1290, 14476), (1316, 14190), (1320, 14147), (1410, 13244), (1419, 13160), (1505, 12408), (1540, 12126), (1551, 12040), (1645, 11352), (1720, 10857), (1806, 10340), (1848, 10105), (1880, 9933), (1892, 9870), (1974, 9460), (2021, 9240), (2068, 9030), (2310, 8084), (2365, 7896), (2408, 7755), (2580, 7238), (2585, 7224), (2632, 7095), (2820, 6622), (2838, 6580), (3010, 6204), (3080, 6063), (3102, 6020), (3290, 5676), (3311, 5640), (3612, 5170), (3619, 5160), (3784, 4935), (3948, 4730), (4042, 4620), (4136, 4515)]