30981888

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 109051488

約数和(自身を除く): 78069600

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 113, 119, 126, 128, 136, 144, 153, 168, 192, 204, 224, 226, 238, 252, 256, 272, 288, 306, 336, 339, 357, 384, 408, 448, 452, 476, 504, 544, 576, 612, 672, 678, 714, 768, 791, 816, 896, 904, 952, 1008, 1017, 1071, 1088, 1152, 1224, 1344, 1356, 1428, 1582, 1632, 1792, 1808, 1904, 1921, 2016, 2034, 2142, 2176, 2304, 2373, 2448, 2688, 2712, 2856, 3164, 3264, 3616, 3808, 3842, 4032, 4068, 4284, 4352, 4746, 4896, 5376, 5424, 5712, 5763, 6328, 6528, 7119, 7232, 7616, 7684, 8064, 8136, 8568, 9492, 9792, 10848, 11424, 11526, 12656, 13056, 13447, 14238, 14464, 15232, 15368, 16128, 16272, 17136, 17289, 18984, 19584, 21696, 22848, 23052, 25312, 26894, 28476, 28928, 30464, 30736, 32544, 34272, 34578, 37968, 39168, 40341, 43392, 45696, 46104, 50624, 53788, 56952, 61472, 65088, 68544, 69156, 75936, 80682, 86784, 91392, 92208, 101248, 107576, 113904, 121023, 122944, 130176, 137088, 138312, 151872, 161364, 184416, 202496, 215152, 227808, 242046, 245888, 260352, 274176, 276624, 303744, 322728, 368832, 430304, 455616, 484092, 491776, 553248, 607488, 645456, 737664, 860608, 911232, 968184, 1106496, 1290912, 1475328, 1721216, 1822464, 1936368, 2212992, 2581824, 3442432, 3872736, 4425984, 5163648, 7745472, 10327296, 15490944, 30981888]

約数ペア:

[(1, 30981888), (2, 15490944), (3, 10327296), (4, 7745472), (6, 5163648), (7, 4425984), (8, 3872736), (9, 3442432), (12, 2581824), (14, 2212992), (16, 1936368), (17, 1822464), (18, 1721216), (21, 1475328), (24, 1290912), (28, 1106496), (32, 968184), (34, 911232), (36, 860608), (42, 737664), (48, 645456), (51, 607488), (56, 553248), (63, 491776), (64, 484092), (68, 455616), (72, 430304), (84, 368832), (96, 322728), (102, 303744), (112, 276624), (113, 274176), (119, 260352), (126, 245888), (128, 242046), (136, 227808), (144, 215152), (153, 202496), (168, 184416), (192, 161364), (204, 151872), (224, 138312), (226, 137088), (238, 130176), (252, 122944), (256, 121023), (272, 113904), (288, 107576), (306, 101248), (336, 92208), (339, 91392), (357, 86784), (384, 80682), (408, 75936), (448, 69156), (452, 68544), (476, 65088), (504, 61472), (544, 56952), (576, 53788), (612, 50624), (672, 46104), (678, 45696), (714, 43392), (768, 40341), (791, 39168), (816, 37968), (896, 34578), (904, 34272), (952, 32544), (1008, 30736), (1017, 30464), (1071, 28928), (1088, 28476), (1152, 26894), (1224, 25312), (1344, 23052), (1356, 22848), (1428, 21696), (1582, 19584), (1632, 18984), (1792, 17289), (1808, 17136), (1904, 16272), (1921, 16128), (2016, 15368), (2034, 15232), (2142, 14464), (2176, 14238), (2304, 13447), (2373, 13056), (2448, 12656), (2688, 11526), (2712, 11424), (2856, 10848), (3164, 9792), (3264, 9492), (3616, 8568), (3808, 8136), (3842, 8064), (4032, 7684), (4068, 7616), (4284, 7232), (4352, 7119), (4746, 6528), (4896, 6328), (5376, 5763), (5424, 5712)]