81129984

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 166354176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 239, 256, 272, 312, 384, 408, 416, 442, 478, 512, 544, 624, 663, 717, 768, 816, 832, 884, 956, 1088, 1248, 1326, 1434, 1536, 1632, 1664, 1768, 1912, 2176, 2496, 2652, 2868, 3107, 3264, 3328, 3536, 3824, 4063, 4352, 4992, 5304, 5736, 6214, 6528, 6656, 7072, 7648, 8126, 8704, 9321, 9984, 10608, 11472, 12189, 12428, 13056, 14144, 15296, 16252, 18642, 19968, 21216, 22944, 24378, 24856, 26112, 28288, 30592, 32504, 37284, 42432, 45888, 48756, 49712, 52819, 56576, 61184, 65008, 74568, 84864, 91776, 97512, 99424, 105638, 113152, 122368, 130016, 149136, 158457, 169728, 183552, 195024, 198848, 211276, 260032, 298272, 316914, 339456, 367104, 390048, 397696, 422552, 520064, 596544, 633828, 780096, 795392, 845104, 1040128, 1193088, 1267656, 1560192, 1590784, 1690208, 2080256, 2386176, 2535312, 3120384, 3380416, 4772352, 5070624, 6240768, 6760832, 10141248, 13521664, 20282496, 27043328, 40564992, 81129984]

約数ペア:

[(1, 81129984), (2, 40564992), (3, 27043328), (4, 20282496), (6, 13521664), (8, 10141248), (12, 6760832), (13, 6240768), (16, 5070624), (17, 4772352), (24, 3380416), (26, 3120384), (32, 2535312), (34, 2386176), (39, 2080256), (48, 1690208), (51, 1590784), (52, 1560192), (64, 1267656), (68, 1193088), (78, 1040128), (96, 845104), (102, 795392), (104, 780096), (128, 633828), (136, 596544), (156, 520064), (192, 422552), (204, 397696), (208, 390048), (221, 367104), (239, 339456), (256, 316914), (272, 298272), (312, 260032), (384, 211276), (408, 198848), (416, 195024), (442, 183552), (478, 169728), (512, 158457), (544, 149136), (624, 130016), (663, 122368), (717, 113152), (768, 105638), (816, 99424), (832, 97512), (884, 91776), (956, 84864), (1088, 74568), (1248, 65008), (1326, 61184), (1434, 56576), (1536, 52819), (1632, 49712), (1664, 48756), (1768, 45888), (1912, 42432), (2176, 37284), (2496, 32504), (2652, 30592), (2868, 28288), (3107, 26112), (3264, 24856), (3328, 24378), (3536, 22944), (3824, 21216), (4063, 19968), (4352, 18642), (4992, 16252), (5304, 15296), (5736, 14144), (6214, 13056), (6528, 12428), (6656, 12189), (7072, 11472), (7648, 10608), (8126, 9984), (8704, 9321)]