81521664

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 176

約数和(自身を含む): 264112128

約数和(自身を除く): 182590464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 223, 224, 238, 256, 272, 336, 357, 384, 408, 446, 448, 476, 512, 544, 669, 672, 714, 768, 816, 892, 896, 952, 1024, 1088, 1338, 1344, 1428, 1536, 1561, 1632, 1784, 1792, 1904, 2176, 2676, 2688, 2856, 3072, 3122, 3264, 3568, 3584, 3791, 3808, 4352, 4683, 5352, 5376, 5712, 6244, 6528, 7136, 7168, 7582, 7616, 8704, 9366, 10704, 10752, 11373, 11424, 12488, 13056, 14272, 15164, 15232, 17408, 18732, 21408, 21504, 22746, 22848, 24976, 26112, 26537, 28544, 30328, 30464, 37464, 42816, 45492, 45696, 49952, 52224, 53074, 57088, 60656, 60928, 74928, 79611, 85632, 90984, 91392, 99904, 106148, 114176, 121312, 121856, 149856, 159222, 171264, 181968, 182784, 199808, 212296, 228352, 242624, 299712, 318444, 342528, 363936, 365568, 399616, 424592, 485248, 599424, 636888, 685056, 727872, 799232, 849184, 970496, 1198848, 1273776, 1455744, 1598464, 1698368, 1940992, 2397696, 2547552, 2911488, 3396736, 3881984, 4795392, 5095104, 5822976, 6793472, 10190208, 11645952, 13586944, 20380416, 27173888, 40760832, 81521664]

約数ペア:

[(1, 81521664), (2, 40760832), (3, 27173888), (4, 20380416), (6, 13586944), (7, 11645952), (8, 10190208), (12, 6793472), (14, 5822976), (16, 5095104), (17, 4795392), (21, 3881984), (24, 3396736), (28, 2911488), (32, 2547552), (34, 2397696), (42, 1940992), (48, 1698368), (51, 1598464), (56, 1455744), (64, 1273776), (68, 1198848), (84, 970496), (96, 849184), (102, 799232), (112, 727872), (119, 685056), (128, 636888), (136, 599424), (168, 485248), (192, 424592), (204, 399616), (223, 365568), (224, 363936), (238, 342528), (256, 318444), (272, 299712), (336, 242624), (357, 228352), (384, 212296), (408, 199808), (446, 182784), (448, 181968), (476, 171264), (512, 159222), (544, 149856), (669, 121856), (672, 121312), (714, 114176), (768, 106148), (816, 99904), (892, 91392), (896, 90984), (952, 85632), (1024, 79611), (1088, 74928), (1338, 60928), (1344, 60656), (1428, 57088), (1536, 53074), (1561, 52224), (1632, 49952), (1784, 45696), (1792, 45492), (1904, 42816), (2176, 37464), (2676, 30464), (2688, 30328), (2856, 28544), (3072, 26537), (3122, 26112), (3264, 24976), (3568, 22848), (3584, 22746), (3791, 21504), (3808, 21408), (4352, 18732), (4683, 17408), (5352, 15232), (5376, 15164), (5712, 14272), (6244, 13056), (6528, 12488), (7136, 11424), (7168, 11373), (7582, 10752), (7616, 10704), (8704, 9366)]