257001264

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 831946752

約数和(自身を除く): 574945488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 47, 48, 52, 69, 72, 78, 92, 94, 104, 117, 127, 138, 141, 144, 156, 184, 188, 207, 208, 234, 254, 276, 282, 299, 312, 368, 376, 381, 414, 423, 468, 508, 552, 564, 598, 611, 624, 752, 762, 828, 846, 897, 936, 1016, 1081, 1104, 1128, 1143, 1196, 1222, 1524, 1651, 1656, 1692, 1794, 1833, 1872, 2032, 2162, 2256, 2286, 2392, 2444, 2691, 2921, 3048, 3243, 3302, 3312, 3384, 3588, 3666, 4324, 4572, 4784, 4888, 4953, 5382, 5499, 5842, 5969, 6096, 6486, 6604, 6768, 7176, 7332, 8648, 8763, 9144, 9729, 9776, 9906, 10764, 10998, 11684, 11938, 12972, 13208, 14053, 14352, 14664, 14859, 17296, 17526, 17907, 18288, 19458, 19812, 21528, 21996, 23368, 23876, 25944, 26289, 26416, 28106, 29328, 29718, 35052, 35814, 37973, 38916, 39624, 42159, 43056, 43992, 46736, 47752, 51888, 52578, 53721, 56212, 59436, 70104, 71628, 75946, 77597, 77832, 79248, 84318, 87984, 95504, 105156, 107442, 112424, 113919, 118872, 126477, 137287, 140208, 143256, 151892, 155194, 155664, 168636, 210312, 214884, 224848, 227838, 232791, 237744, 252954, 274574, 286512, 303784, 310388, 337272, 341757, 411861, 420624, 429768, 455676, 465582, 505908, 549148, 607568, 620776, 674544, 683514, 698373, 823722, 859536, 911352, 931164, 1011816, 1098296, 1235583, 1241552, 1367028, 1396746, 1647444, 1784731, 1822704, 1862328, 2023632, 2196592, 2471166, 2734056, 2793492, 3294888, 3569462, 3724656, 4942332, 5354193, 5468112, 5586984, 6589776, 7138924, 9884664, 10708386, 11173968, 14277848, 16062579, 19769328, 21416772, 28555696, 32125158, 42833544, 64250316, 85667088, 128500632, 257001264]

約数ペア:

[(1, 257001264), (2, 128500632), (3, 85667088), (4, 64250316), (6, 42833544), (8, 32125158), (9, 28555696), (12, 21416772), (13, 19769328), (16, 16062579), (18, 14277848), (23, 11173968), (24, 10708386), (26, 9884664), (36, 7138924), (39, 6589776), (46, 5586984), (47, 5468112), (48, 5354193), (52, 4942332), (69, 3724656), (72, 3569462), (78, 3294888), (92, 2793492), (94, 2734056), (104, 2471166), (117, 2196592), (127, 2023632), (138, 1862328), (141, 1822704), (144, 1784731), (156, 1647444), (184, 1396746), (188, 1367028), (207, 1241552), (208, 1235583), (234, 1098296), (254, 1011816), (276, 931164), (282, 911352), (299, 859536), (312, 823722), (368, 698373), (376, 683514), (381, 674544), (414, 620776), (423, 607568), (468, 549148), (508, 505908), (552, 465582), (564, 455676), (598, 429768), (611, 420624), (624, 411861), (752, 341757), (762, 337272), (828, 310388), (846, 303784), (897, 286512), (936, 274574), (1016, 252954), (1081, 237744), (1104, 232791), (1128, 227838), (1143, 224848), (1196, 214884), (1222, 210312), (1524, 168636), (1651, 155664), (1656, 155194), (1692, 151892), (1794, 143256), (1833, 140208), (1872, 137287), (2032, 126477), (2162, 118872), (2256, 113919), (2286, 112424), (2392, 107442), (2444, 105156), (2691, 95504), (2921, 87984), (3048, 84318), (3243, 79248), (3302, 77832), (3312, 77597), (3384, 75946), (3588, 71628), (3666, 70104), (4324, 59436), (4572, 56212), (4784, 53721), (4888, 52578), (4953, 51888), (5382, 47752), (5499, 46736), (5842, 43992), (5969, 43056), (6096, 42159), (6486, 39624), (6604, 38916), (6768, 37973), (7176, 35814), (7332, 35052), (8648, 29718), (8763, 29328), (9144, 28106), (9729, 26416), (9776, 26289), (9906, 25944), (10764, 23876), (10998, 23368), (11684, 21996), (11938, 21528), (12972, 19812), (13208, 19458), (14053, 18288), (14352, 17907), (14664, 17526), (14859, 17296)]