257487984

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 400

約数和(自身を含む): 907441920

約数和(自身を除く): 649953936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 29, 31, 34, 36, 39, 48, 51, 52, 54, 58, 62, 68, 72, 78, 81, 87, 93, 102, 104, 108, 116, 117, 124, 136, 144, 153, 156, 162, 174, 186, 204, 208, 216, 221, 232, 234, 248, 261, 272, 279, 306, 312, 324, 348, 351, 372, 377, 403, 408, 432, 442, 459, 464, 468, 493, 496, 522, 527, 558, 612, 624, 648, 663, 696, 702, 744, 754, 783, 806, 816, 837, 884, 899, 918, 936, 986, 1044, 1053, 1054, 1116, 1131, 1209, 1224, 1296, 1326, 1377, 1392, 1404, 1479, 1488, 1508, 1566, 1581, 1612, 1674, 1768, 1798, 1836, 1872, 1972, 1989, 2088, 2106, 2108, 2232, 2262, 2349, 2418, 2448, 2511, 2652, 2697, 2754, 2808, 2958, 3016, 3132, 3162, 3224, 3348, 3393, 3536, 3596, 3627, 3672, 3944, 3978, 4176, 4212, 4216, 4437, 4464, 4524, 4698, 4743, 4836, 5022, 5304, 5394, 5508, 5616, 5916, 5967, 6032, 6264, 6324, 6409, 6448, 6696, 6786, 6851, 7192, 7254, 7344, 7888, 7956, 8091, 8424, 8432, 8874, 9048, 9396, 9486, 9672, 10044, 10179, 10608, 10788, 10881, 11016, 11687, 11832, 11934, 12528, 12648, 12818, 13311, 13392, 13572, 13702, 14229, 14384, 14508, 15283, 15912, 16182, 16848, 17748, 17901, 18096, 18792, 18972, 19227, 19344, 20088, 20358, 20553, 21576, 21762, 22032, 23374, 23664, 23868, 24273, 25296, 25636, 26622, 27144, 27404, 28458, 29016, 30537, 30566, 31824, 32364, 32643, 35061, 35496, 35802, 37584, 37944, 38454, 39933, 40176, 40716, 41106, 42687, 43152, 43524, 45849, 46748, 47736, 48546, 51272, 53244, 54288, 54808, 56916, 57681, 58032, 61074, 61132, 61659, 64728, 65286, 70122, 70992, 71604, 72819, 75888, 76908, 79866, 81432, 82212, 85374, 87048, 91698, 93496, 95472, 97092, 102544, 105183, 106488, 109616, 113832, 115362, 122148, 122264, 123318, 129456, 130572, 137547, 140244, 143208, 145638, 153816, 159732, 162864, 164424, 170748, 173043, 174096, 183396, 184977, 186992, 194184, 198679, 210366, 212976, 227664, 230724, 244296, 244528, 246636, 261144, 275094, 280488, 286416, 291276, 307632, 315549, 319464, 328848, 341496, 346086, 366792, 369954, 388368, 397358, 412641, 420732, 461448, 488592, 493272, 519129, 522288, 550188, 554931, 560976, 582552, 596037, 631098, 638928, 682992, 692172, 733584, 739908, 794716, 825282, 841464, 922896, 946647, 986544, 1038258, 1100376, 1109862, 1165104, 1192074, 1237923, 1262196, 1384344, 1479816, 1589432, 1650564, 1682928, 1788111, 1893294, 2076516, 2200752, 2219724, 2384148, 2475846, 2524392, 2768688, 2959632, 3178864, 3301128, 3576222, 3786588, 4153032, 4439448, 4768296, 4951692, 5048784, 5364333, 6602256, 7152444, 7573176, 8306064, 8878896, 9536592, 9903384, 10728666, 14304888, 15146352, 16092999, 19806768, 21457332, 28609776, 32185998, 42914664, 64371996, 85829328, 128743992, 257487984]

約数ペア:

[(1, 257487984), (2, 128743992), (3, 85829328), (4, 64371996), (6, 42914664), (8, 32185998), (9, 28609776), (12, 21457332), (13, 19806768), (16, 16092999), (17, 15146352), (18, 14304888), (24, 10728666), (26, 9903384), (27, 9536592), (29, 8878896), (31, 8306064), (34, 7573176), (36, 7152444), (39, 6602256), (48, 5364333), (51, 5048784), (52, 4951692), (54, 4768296), (58, 4439448), (62, 4153032), (68, 3786588), (72, 3576222), (78, 3301128), (81, 3178864), (87, 2959632), (93, 2768688), (102, 2524392), (104, 2475846), (108, 2384148), (116, 2219724), (117, 2200752), (124, 2076516), (136, 1893294), (144, 1788111), (153, 1682928), (156, 1650564), (162, 1589432), (174, 1479816), (186, 1384344), (204, 1262196), (208, 1237923), (216, 1192074), (221, 1165104), (232, 1109862), (234, 1100376), (248, 1038258), (261, 986544), (272, 946647), (279, 922896), (306, 841464), (312, 825282), (324, 794716), (348, 739908), (351, 733584), (372, 692172), (377, 682992), (403, 638928), (408, 631098), (432, 596037), (442, 582552), (459, 560976), (464, 554931), (468, 550188), (493, 522288), (496, 519129), (522, 493272), (527, 488592), (558, 461448), (612, 420732), (624, 412641), (648, 397358), (663, 388368), (696, 369954), (702, 366792), (744, 346086), (754, 341496), (783, 328848), (806, 319464), (816, 315549), (837, 307632), (884, 291276), (899, 286416), (918, 280488), (936, 275094), (986, 261144), (1044, 246636), (1053, 244528), (1054, 244296), (1116, 230724), (1131, 227664), (1209, 212976), (1224, 210366), (1296, 198679), (1326, 194184), (1377, 186992), (1392, 184977), (1404, 183396), (1479, 174096), (1488, 173043), (1508, 170748), (1566, 164424), (1581, 162864), (1612, 159732), (1674, 153816), (1768, 145638), (1798, 143208), (1836, 140244), (1872, 137547), (1972, 130572), (1989, 129456), (2088, 123318), (2106, 122264), (2108, 122148), (2232, 115362), (2262, 113832), (2349, 109616), (2418, 106488), (2448, 105183), (2511, 102544), (2652, 97092), (2697, 95472), (2754, 93496), (2808, 91698), (2958, 87048), (3016, 85374), (3132, 82212), (3162, 81432), (3224, 79866), (3348, 76908), (3393, 75888), (3536, 72819), (3596, 71604), (3627, 70992), (3672, 70122), (3944, 65286), (3978, 64728), (4176, 61659), (4212, 61132), (4216, 61074), (4437, 58032), (4464, 57681), (4524, 56916), (4698, 54808), (4743, 54288), (4836, 53244), (5022, 51272), (5304, 48546), (5394, 47736), (5508, 46748), (5616, 45849), (5916, 43524), (5967, 43152), (6032, 42687), (6264, 41106), (6324, 40716), (6409, 40176), (6448, 39933), (6696, 38454), (6786, 37944), (6851, 37584), (7192, 35802), (7254, 35496), (7344, 35061), (7888, 32643), (7956, 32364), (8091, 31824), (8424, 30566), (8432, 30537), (8874, 29016), (9048, 28458), (9396, 27404), (9486, 27144), (9672, 26622), (10044, 25636), (10179, 25296), (10608, 24273), (10788, 23868), (10881, 23664), (11016, 23374), (11687, 22032), (11832, 21762), (11934, 21576), (12528, 20553), (12648, 20358), (12818, 20088), (13311, 19344), (13392, 19227), (13572, 18972), (13702, 18792), (14229, 18096), (14384, 17901), (14508, 17748), (15283, 16848), (15912, 16182)]