257749440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1139

約数の個数: 224

約数和(自身を含む): 928542720

約数和(自身を除く): 670793280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 260, 285, 304, 312, 320, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 741, 760, 780, 832, 912, 960, 988, 1040, 1087, 1140, 1216, 1235, 1248, 1482, 1520, 1560, 1824, 1976, 2080, 2174, 2280, 2470, 2496, 2964, 3040, 3120, 3261, 3648, 3705, 3952, 4160, 4348, 4560, 4940, 5435, 5928, 6080, 6240, 6522, 7410, 7904, 8696, 9120, 9880, 10870, 11856, 12480, 13044, 14131, 14820, 15808, 16305, 17392, 18240, 19760, 20653, 21740, 23712, 26088, 28262, 29640, 32610, 34784, 39520, 41306, 42393, 43480, 47424, 52176, 56524, 59280, 61959, 65220, 69568, 70655, 79040, 82612, 84786, 86960, 103265, 104352, 113048, 118560, 123918, 130440, 141310, 165224, 169572, 173920, 206530, 208704, 211965, 226096, 237120, 247836, 260880, 268489, 282620, 309795, 330448, 339144, 347840, 413060, 423930, 452192, 495672, 521760, 536978, 565240, 619590, 660896, 678288, 805467, 826120, 847860, 904384, 991344, 1043520, 1073956, 1130480, 1239180, 1321792, 1342445, 1356576, 1610934, 1652240, 1695720, 1982688, 2147912, 2260960, 2478360, 2684890, 2713152, 3221868, 3304480, 3391440, 3965376, 4027335, 4295824, 4521920, 4956720, 5369780, 6443736, 6608960, 6782880, 8054670, 8591648, 9913440, 10739560, 12887472, 13565760, 16109340, 17183296, 19826880, 21479120, 25774944, 32218680, 42958240, 51549888, 64437360, 85916480, 128874720, 257749440]

約数ペア:

[(1, 257749440), (2, 128874720), (3, 85916480), (4, 64437360), (5, 51549888), (6, 42958240), (8, 32218680), (10, 25774944), (12, 21479120), (13, 19826880), (15, 17183296), (16, 16109340), (19, 13565760), (20, 12887472), (24, 10739560), (26, 9913440), (30, 8591648), (32, 8054670), (38, 6782880), (39, 6608960), (40, 6443736), (48, 5369780), (52, 4956720), (57, 4521920), (60, 4295824), (64, 4027335), (65, 3965376), (76, 3391440), (78, 3304480), (80, 3221868), (95, 2713152), (96, 2684890), (104, 2478360), (114, 2260960), (120, 2147912), (130, 1982688), (152, 1695720), (156, 1652240), (160, 1610934), (190, 1356576), (192, 1342445), (195, 1321792), (208, 1239180), (228, 1130480), (240, 1073956), (247, 1043520), (260, 991344), (285, 904384), (304, 847860), (312, 826120), (320, 805467), (380, 678288), (390, 660896), (416, 619590), (456, 565240), (480, 536978), (494, 521760), (520, 495672), (570, 452192), (608, 423930), (624, 413060), (741, 347840), (760, 339144), (780, 330448), (832, 309795), (912, 282620), (960, 268489), (988, 260880), (1040, 247836), (1087, 237120), (1140, 226096), (1216, 211965), (1235, 208704), (1248, 206530), (1482, 173920), (1520, 169572), (1560, 165224), (1824, 141310), (1976, 130440), (2080, 123918), (2174, 118560), (2280, 113048), (2470, 104352), (2496, 103265), (2964, 86960), (3040, 84786), (3120, 82612), (3261, 79040), (3648, 70655), (3705, 69568), (3952, 65220), (4160, 61959), (4348, 59280), (4560, 56524), (4940, 52176), (5435, 47424), (5928, 43480), (6080, 42393), (6240, 41306), (6522, 39520), (7410, 34784), (7904, 32610), (8696, 29640), (9120, 28262), (9880, 26088), (10870, 23712), (11856, 21740), (12480, 20653), (13044, 19760), (14131, 18240), (14820, 17392), (15808, 16305)]