278823480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 256

約数和(自身を含む): 991872000

約数和(自身を除く): 713048520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 23, 24, 26, 30, 38, 39, 40, 46, 52, 57, 60, 65, 69, 76, 78, 92, 95, 104, 114, 115, 120, 130, 138, 152, 156, 184, 190, 195, 228, 230, 247, 260, 276, 285, 299, 312, 345, 380, 390, 409, 437, 456, 460, 494, 520, 552, 570, 598, 690, 741, 760, 780, 818, 874, 897, 920, 988, 1140, 1196, 1227, 1235, 1311, 1380, 1482, 1495, 1560, 1636, 1748, 1794, 1976, 2045, 2185, 2280, 2392, 2454, 2470, 2622, 2760, 2964, 2990, 3272, 3496, 3588, 3705, 4090, 4370, 4485, 4908, 4940, 5244, 5317, 5681, 5928, 5980, 6135, 6555, 7176, 7410, 7771, 8180, 8740, 8970, 9407, 9816, 9880, 10488, 10634, 11362, 11960, 12270, 13110, 14820, 15542, 15951, 16360, 17043, 17480, 17940, 18814, 21268, 22724, 23313, 24540, 26220, 26585, 28221, 28405, 29640, 31084, 31902, 34086, 35880, 37628, 38855, 42536, 45448, 46626, 47035, 49080, 52440, 53170, 56442, 56810, 62168, 63804, 68172, 75256, 77710, 79755, 85215, 93252, 94070, 101023, 106340, 112884, 113620, 116565, 122291, 127608, 136344, 141105, 155420, 159510, 170430, 178733, 186504, 188140, 202046, 212680, 225768, 227240, 233130, 244582, 282210, 303069, 310840, 319020, 340860, 357466, 366873, 376280, 404092, 466260, 489164, 505115, 536199, 564420, 606138, 611455, 638040, 681720, 714932, 733746, 808184, 893665, 932520, 978328, 1010230, 1072398, 1128840, 1212276, 1222910, 1429864, 1467492, 1515345, 1787330, 1834365, 2020460, 2144796, 2323529, 2424552, 2445820, 2680995, 2934984, 3030690, 3574660, 3668730, 4040920, 4289592, 4647058, 4891640, 5361990, 6061380, 6970587, 7149320, 7337460, 9294116, 10723980, 11617645, 12122760, 13941174, 14674920, 18588232, 21447960, 23235290, 27882348, 34852935, 46470580, 55764696, 69705870, 92941160, 139411740, 278823480]

約数ペア:

[(1, 278823480), (2, 139411740), (3, 92941160), (4, 69705870), (5, 55764696), (6, 46470580), (8, 34852935), (10, 27882348), (12, 23235290), (13, 21447960), (15, 18588232), (19, 14674920), (20, 13941174), (23, 12122760), (24, 11617645), (26, 10723980), (30, 9294116), (38, 7337460), (39, 7149320), (40, 6970587), (46, 6061380), (52, 5361990), (57, 4891640), (60, 4647058), (65, 4289592), (69, 4040920), (76, 3668730), (78, 3574660), (92, 3030690), (95, 2934984), (104, 2680995), (114, 2445820), (115, 2424552), (120, 2323529), (130, 2144796), (138, 2020460), (152, 1834365), (156, 1787330), (184, 1515345), (190, 1467492), (195, 1429864), (228, 1222910), (230, 1212276), (247, 1128840), (260, 1072398), (276, 1010230), (285, 978328), (299, 932520), (312, 893665), (345, 808184), (380, 733746), (390, 714932), (409, 681720), (437, 638040), (456, 611455), (460, 606138), (494, 564420), (520, 536199), (552, 505115), (570, 489164), (598, 466260), (690, 404092), (741, 376280), (760, 366873), (780, 357466), (818, 340860), (874, 319020), (897, 310840), (920, 303069), (988, 282210), (1140, 244582), (1196, 233130), (1227, 227240), (1235, 225768), (1311, 212680), (1380, 202046), (1482, 188140), (1495, 186504), (1560, 178733), (1636, 170430), (1748, 159510), (1794, 155420), (1976, 141105), (2045, 136344), (2185, 127608), (2280, 122291), (2392, 116565), (2454, 113620), (2470, 112884), (2622, 106340), (2760, 101023), (2964, 94070), (2990, 93252), (3272, 85215), (3496, 79755), (3588, 77710), (3705, 75256), (4090, 68172), (4370, 63804), (4485, 62168), (4908, 56810), (4940, 56442), (5244, 53170), (5317, 52440), (5681, 49080), (5928, 47035), (5980, 46626), (6135, 45448), (6555, 42536), (7176, 38855), (7410, 37628), (7771, 35880), (8180, 34086), (8740, 31902), (8970, 31084), (9407, 29640), (9816, 28405), (9880, 28221), (10488, 26585), (10634, 26220), (11362, 24540), (11960, 23313), (12270, 22724), (13110, 21268), (14820, 18814), (15542, 17940), (15951, 17480), (16360, 17043)]