257379696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 240

約数和(自身を含む): 866404864

約数和(自身を除く): 609025168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 67, 72, 74, 84, 103, 111, 112, 126, 134, 144, 148, 168, 201, 206, 222, 252, 259, 268, 296, 309, 333, 336, 402, 412, 444, 469, 504, 518, 536, 592, 603, 618, 666, 721, 777, 804, 824, 888, 927, 938, 1008, 1036, 1072, 1206, 1236, 1332, 1407, 1442, 1554, 1608, 1648, 1776, 1854, 1876, 2072, 2163, 2331, 2412, 2472, 2479, 2664, 2814, 2884, 3108, 3216, 3708, 3752, 3811, 4144, 4221, 4326, 4662, 4824, 4944, 4958, 5328, 5628, 5768, 6216, 6489, 6901, 7416, 7437, 7504, 7622, 8442, 8652, 9324, 9648, 9916, 11256, 11433, 11536, 12432, 12978, 13802, 14832, 14874, 15244, 16884, 17304, 17353, 18648, 19832, 20703, 22311, 22512, 22866, 25956, 26677, 27604, 29748, 30488, 33768, 34299, 34608, 34706, 37296, 39664, 41406, 44622, 45732, 48307, 51912, 52059, 53354, 55208, 59496, 60976, 62109, 67536, 68598, 69412, 80031, 82812, 89244, 91464, 96614, 103824, 104118, 106708, 110416, 118992, 124218, 137196, 138824, 144921, 156177, 160062, 165624, 178488, 182928, 193228, 208236, 213416, 240093, 248436, 255337, 274392, 277648, 289842, 312354, 320124, 331248, 356976, 386456, 416472, 426832, 434763, 480186, 496872, 510674, 548784, 579684, 624708, 640248, 766011, 772912, 832944, 869526, 960372, 993744, 1021348, 1159368, 1249416, 1280496, 1532022, 1739052, 1787359, 1920744, 2042696, 2298033, 2318736, 2498832, 3064044, 3478104, 3574718, 3841488, 4085392, 4596066, 5362077, 6128088, 6956208, 7149436, 9192132, 10724154, 12256176, 14298872, 16086231, 18384264, 21448308, 28597744, 32172462, 36768528, 42896616, 64344924, 85793232, 128689848, 257379696]

約数ペア:

[(1, 257379696), (2, 128689848), (3, 85793232), (4, 64344924), (6, 42896616), (7, 36768528), (8, 32172462), (9, 28597744), (12, 21448308), (14, 18384264), (16, 16086231), (18, 14298872), (21, 12256176), (24, 10724154), (28, 9192132), (36, 7149436), (37, 6956208), (42, 6128088), (48, 5362077), (56, 4596066), (63, 4085392), (67, 3841488), (72, 3574718), (74, 3478104), (84, 3064044), (103, 2498832), (111, 2318736), (112, 2298033), (126, 2042696), (134, 1920744), (144, 1787359), (148, 1739052), (168, 1532022), (201, 1280496), (206, 1249416), (222, 1159368), (252, 1021348), (259, 993744), (268, 960372), (296, 869526), (309, 832944), (333, 772912), (336, 766011), (402, 640248), (412, 624708), (444, 579684), (469, 548784), (504, 510674), (518, 496872), (536, 480186), (592, 434763), (603, 426832), (618, 416472), (666, 386456), (721, 356976), (777, 331248), (804, 320124), (824, 312354), (888, 289842), (927, 277648), (938, 274392), (1008, 255337), (1036, 248436), (1072, 240093), (1206, 213416), (1236, 208236), (1332, 193228), (1407, 182928), (1442, 178488), (1554, 165624), (1608, 160062), (1648, 156177), (1776, 144921), (1854, 138824), (1876, 137196), (2072, 124218), (2163, 118992), (2331, 110416), (2412, 106708), (2472, 104118), (2479, 103824), (2664, 96614), (2814, 91464), (2884, 89244), (3108, 82812), (3216, 80031), (3708, 69412), (3752, 68598), (3811, 67536), (4144, 62109), (4221, 60976), (4326, 59496), (4662, 55208), (4824, 53354), (4944, 52059), (4958, 51912), (5328, 48307), (5628, 45732), (5768, 44622), (6216, 41406), (6489, 39664), (6901, 37296), (7416, 34706), (7437, 34608), (7504, 34299), (7622, 33768), (8442, 30488), (8652, 29748), (9324, 27604), (9648, 26677), (9916, 25956), (11256, 22866), (11433, 22512), (11536, 22311), (12432, 20703), (12978, 19832), (13802, 18648), (14832, 17353), (14874, 17304), (15244, 16884)]