78477984

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 240

約数和(自身を含む): 265097448

約数和(自身を除く): 186619464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 81, 96, 102, 104, 108, 117, 136, 137, 144, 153, 156, 162, 204, 208, 216, 221, 234, 272, 274, 288, 306, 312, 324, 351, 408, 411, 416, 432, 442, 459, 468, 544, 548, 612, 624, 648, 663, 702, 816, 822, 864, 884, 918, 936, 1053, 1096, 1224, 1233, 1248, 1296, 1326, 1377, 1404, 1632, 1644, 1768, 1781, 1836, 1872, 1989, 2106, 2192, 2329, 2448, 2466, 2592, 2652, 2754, 2808, 3288, 3536, 3562, 3672, 3699, 3744, 3978, 4212, 4384, 4658, 4896, 4932, 5304, 5343, 5508, 5616, 5967, 6576, 6987, 7072, 7124, 7344, 7398, 7956, 8424, 9316, 9864, 10608, 10686, 11016, 11097, 11232, 11934, 13152, 13974, 14248, 14688, 14796, 15912, 16029, 16848, 17901, 18632, 19728, 20961, 21216, 21372, 22032, 22194, 23868, 27948, 28496, 29592, 30277, 31824, 32058, 33696, 35802, 37264, 39456, 41922, 42744, 44064, 44388, 47736, 48087, 55896, 56992, 59184, 60554, 62883, 63648, 64116, 71604, 74528, 83844, 85488, 88776, 90831, 95472, 96174, 111792, 118368, 121108, 125766, 128232, 143208, 144261, 167688, 170976, 177552, 181662, 188649, 190944, 192348, 223584, 242216, 251532, 256464, 272493, 286416, 288522, 335376, 355104, 363324, 377298, 384696, 484432, 503064, 512928, 544986, 572832, 577044, 670752, 726648, 754596, 769392, 817479, 968864, 1006128, 1089972, 1154088, 1453296, 1509192, 1538784, 1634958, 2012256, 2179944, 2308176, 2452437, 2906592, 3018384, 3269916, 4359888, 4616352, 4904874, 6036768, 6539832, 8719776, 9809748, 13079664, 19619496, 26159328, 39238992, 78477984]

約数ペア:

[(1, 78477984), (2, 39238992), (3, 26159328), (4, 19619496), (6, 13079664), (8, 9809748), (9, 8719776), (12, 6539832), (13, 6036768), (16, 4904874), (17, 4616352), (18, 4359888), (24, 3269916), (26, 3018384), (27, 2906592), (32, 2452437), (34, 2308176), (36, 2179944), (39, 2012256), (48, 1634958), (51, 1538784), (52, 1509192), (54, 1453296), (68, 1154088), (72, 1089972), (78, 1006128), (81, 968864), (96, 817479), (102, 769392), (104, 754596), (108, 726648), (117, 670752), (136, 577044), (137, 572832), (144, 544986), (153, 512928), (156, 503064), (162, 484432), (204, 384696), (208, 377298), (216, 363324), (221, 355104), (234, 335376), (272, 288522), (274, 286416), (288, 272493), (306, 256464), (312, 251532), (324, 242216), (351, 223584), (408, 192348), (411, 190944), (416, 188649), (432, 181662), (442, 177552), (459, 170976), (468, 167688), (544, 144261), (548, 143208), (612, 128232), (624, 125766), (648, 121108), (663, 118368), (702, 111792), (816, 96174), (822, 95472), (864, 90831), (884, 88776), (918, 85488), (936, 83844), (1053, 74528), (1096, 71604), (1224, 64116), (1233, 63648), (1248, 62883), (1296, 60554), (1326, 59184), (1377, 56992), (1404, 55896), (1632, 48087), (1644, 47736), (1768, 44388), (1781, 44064), (1836, 42744), (1872, 41922), (1989, 39456), (2106, 37264), (2192, 35802), (2329, 33696), (2448, 32058), (2466, 31824), (2592, 30277), (2652, 29592), (2754, 28496), (2808, 27948), (3288, 23868), (3536, 22194), (3562, 22032), (3672, 21372), (3699, 21216), (3744, 20961), (3978, 19728), (4212, 18632), (4384, 17901), (4658, 16848), (4896, 16029), (4932, 15912), (5304, 14796), (5343, 14688), (5508, 14248), (5616, 13974), (5967, 13152), (6576, 11934), (6987, 11232), (7072, 11097), (7124, 11016), (7344, 10686), (7398, 10608), (7956, 9864), (8424, 9316)]