81814680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 285405120

約数和(自身を除く): 203590440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 90, 92, 115, 120, 123, 138, 164, 180, 184, 205, 207, 230, 241, 246, 276, 328, 345, 360, 369, 410, 414, 460, 482, 492, 552, 615, 690, 723, 738, 820, 828, 920, 943, 964, 984, 1035, 1205, 1230, 1380, 1446, 1476, 1640, 1656, 1845, 1886, 1928, 2070, 2169, 2410, 2460, 2760, 2829, 2892, 2952, 3615, 3690, 3772, 4140, 4338, 4715, 4820, 4920, 5543, 5658, 5784, 7230, 7380, 7544, 8280, 8487, 8676, 9430, 9640, 9881, 10845, 11086, 11316, 14145, 14460, 14760, 16629, 16974, 17352, 18860, 19762, 21690, 22172, 22632, 27715, 28290, 28920, 29643, 33258, 33948, 37720, 39524, 42435, 43380, 44344, 49405, 49887, 55430, 56580, 59286, 66516, 67896, 79048, 83145, 84870, 86760, 88929, 98810, 99774, 110860, 113160, 118572, 133032, 148215, 166290, 169740, 177858, 197620, 199548, 221720, 227263, 237144, 249435, 296430, 332580, 339480, 355716, 395240, 399096, 444645, 454526, 498870, 592860, 665160, 681789, 711432, 889290, 909052, 997740, 1136315, 1185720, 1363578, 1778580, 1818104, 1995480, 2045367, 2272630, 2727156, 3408945, 3557160, 4090734, 4545260, 5454312, 6817890, 8181468, 9090520, 10226835, 13635780, 16362936, 20453670, 27271560, 40907340, 81814680]

約数ペア:

[(1, 81814680), (2, 40907340), (3, 27271560), (4, 20453670), (5, 16362936), (6, 13635780), (8, 10226835), (9, 9090520), (10, 8181468), (12, 6817890), (15, 5454312), (18, 4545260), (20, 4090734), (23, 3557160), (24, 3408945), (30, 2727156), (36, 2272630), (40, 2045367), (41, 1995480), (45, 1818104), (46, 1778580), (60, 1363578), (69, 1185720), (72, 1136315), (82, 997740), (90, 909052), (92, 889290), (115, 711432), (120, 681789), (123, 665160), (138, 592860), (164, 498870), (180, 454526), (184, 444645), (205, 399096), (207, 395240), (230, 355716), (241, 339480), (246, 332580), (276, 296430), (328, 249435), (345, 237144), (360, 227263), (369, 221720), (410, 199548), (414, 197620), (460, 177858), (482, 169740), (492, 166290), (552, 148215), (615, 133032), (690, 118572), (723, 113160), (738, 110860), (820, 99774), (828, 98810), (920, 88929), (943, 86760), (964, 84870), (984, 83145), (1035, 79048), (1205, 67896), (1230, 66516), (1380, 59286), (1446, 56580), (1476, 55430), (1640, 49887), (1656, 49405), (1845, 44344), (1886, 43380), (1928, 42435), (2070, 39524), (2169, 37720), (2410, 33948), (2460, 33258), (2760, 29643), (2829, 28920), (2892, 28290), (2952, 27715), (3615, 22632), (3690, 22172), (3772, 21690), (4140, 19762), (4338, 18860), (4715, 17352), (4820, 16974), (4920, 16629), (5543, 14760), (5658, 14460), (5784, 14145), (7230, 11316), (7380, 11086), (7544, 10845), (8280, 9881), (8487, 9640), (8676, 9430)]