257227544560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{227281}}^1$

素因数の和:227391

約数の個数: 160

約数和(自身を含む): 714269140992

約数和(自身を除く): 457041596432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 47, 56, 70, 80, 86, 94, 112, 140, 172, 188, 215, 235, 280, 301, 329, 344, 376, 430, 470, 560, 602, 658, 688, 752, 860, 940, 1204, 1316, 1505, 1645, 1720, 1880, 2021, 2408, 2632, 3010, 3290, 3440, 3760, 4042, 4816, 5264, 6020, 6580, 8084, 10105, 12040, 13160, 14147, 16168, 20210, 24080, 26320, 28294, 32336, 40420, 56588, 70735, 80840, 113176, 141470, 161680, 226352, 227281, 282940, 454562, 565880, 909124, 1131760, 1136405, 1590967, 1818248, 2272810, 3181934, 3636496, 4545620, 6363868, 7954835, 9091240, 9773083, 10682207, 12727736, 15909670, 18182480, 19546166, 21364414, 25455472, 31819340, 39092332, 42728828, 48865415, 53411035, 63638680, 68411581, 74775449, 78184664, 85457656, 97730830, 106822070, 127277360, 136823162, 149550898, 156369328, 170915312, 195461660, 213644140, 273646324, 299101796, 342057905, 373877245, 390923320, 427288280, 459334901, 547292648, 598203592, 684115810, 747754490, 781846640, 854576560, 918669802, 1094585296, 1196407184, 1368231620, 1495508980, 1837339604, 2296674505, 2736463240, 2991017960, 3215344307, 3674679208, 4593349010, 5472926480, 5982035920, 6430688614, 7349358416, 9186698020, 12861377228, 16076721535, 18373396040, 25722754456, 32153443070, 36746792080, 51445508912, 64306886140, 128613772280, 257227544560]

約数ペア:

[(1, 257227544560), (2, 128613772280), (4, 64306886140), (5, 51445508912), (7, 36746792080), (8, 32153443070), (10, 25722754456), (14, 18373396040), (16, 16076721535), (20, 12861377228), (28, 9186698020), (35, 7349358416), (40, 6430688614), (43, 5982035920), (47, 5472926480), (56, 4593349010), (70, 3674679208), (80, 3215344307), (86, 2991017960), (94, 2736463240), (112, 2296674505), (140, 1837339604), (172, 1495508980), (188, 1368231620), (215, 1196407184), (235, 1094585296), (280, 918669802), (301, 854576560), (329, 781846640), (344, 747754490), (376, 684115810), (430, 598203592), (470, 547292648), (560, 459334901), (602, 427288280), (658, 390923320), (688, 373877245), (752, 342057905), (860, 299101796), (940, 273646324), (1204, 213644140), (1316, 195461660), (1505, 170915312), (1645, 156369328), (1720, 149550898), (1880, 136823162), (2021, 127277360), (2408, 106822070), (2632, 97730830), (3010, 85457656), (3290, 78184664), (3440, 74775449), (3760, 68411581), (4042, 63638680), (4816, 53411035), (5264, 48865415), (6020, 42728828), (6580, 39092332), (8084, 31819340), (10105, 25455472), (12040, 21364414), (13160, 19546166), (14147, 18182480), (16168, 15909670), (20210, 12727736), (24080, 10682207), (26320, 9773083), (28294, 9091240), (32336, 7954835), (40420, 6363868), (56588, 4545620), (70735, 3636496), (80840, 3181934), (113176, 2272810), (141470, 1818248), (161680, 1590967), (226352, 1136405), (227281, 1131760), (282940, 909124), (454562, 565880)]