81507492

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 254822400

約数和(自身を除く): 173314908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 27, 33, 36, 38, 44, 46, 54, 57, 66, 69, 76, 92, 99, 108, 114, 132, 138, 157, 171, 198, 207, 209, 228, 253, 276, 297, 314, 342, 396, 414, 418, 437, 471, 506, 513, 594, 621, 627, 628, 684, 759, 828, 836, 874, 942, 1012, 1026, 1188, 1242, 1254, 1311, 1413, 1518, 1727, 1748, 1881, 1884, 2052, 2277, 2484, 2508, 2622, 2826, 2983, 3036, 3454, 3611, 3762, 3933, 4239, 4554, 4807, 5181, 5244, 5643, 5652, 5966, 6831, 6908, 7222, 7524, 7866, 8478, 8949, 9108, 9614, 10362, 10833, 11286, 11799, 11932, 13662, 14421, 14444, 15543, 15732, 16956, 17898, 19228, 20724, 21666, 22572, 23598, 26847, 27324, 28842, 31086, 32499, 32813, 35796, 39721, 43263, 43332, 46629, 47196, 53694, 57684, 62172, 64998, 65626, 68609, 79442, 80541, 86526, 93258, 97497, 98439, 107388, 119163, 129789, 129996, 131252, 137218, 158884, 161082, 173052, 186516, 194994, 196878, 205827, 238326, 259578, 274436, 295317, 322164, 357489, 389988, 393756, 411654, 476652, 519156, 590634, 617481, 714978, 754699, 823308, 885951, 1072467, 1181268, 1234962, 1429956, 1509398, 1771902, 1852443, 2144934, 2264097, 2469924, 3018796, 3543804, 3704886, 4289868, 4528194, 6792291, 7409772, 9056388, 13584582, 20376873, 27169164, 40753746, 81507492]

約数ペア:

[(1, 81507492), (2, 40753746), (3, 27169164), (4, 20376873), (6, 13584582), (9, 9056388), (11, 7409772), (12, 6792291), (18, 4528194), (19, 4289868), (22, 3704886), (23, 3543804), (27, 3018796), (33, 2469924), (36, 2264097), (38, 2144934), (44, 1852443), (46, 1771902), (54, 1509398), (57, 1429956), (66, 1234962), (69, 1181268), (76, 1072467), (92, 885951), (99, 823308), (108, 754699), (114, 714978), (132, 617481), (138, 590634), (157, 519156), (171, 476652), (198, 411654), (207, 393756), (209, 389988), (228, 357489), (253, 322164), (276, 295317), (297, 274436), (314, 259578), (342, 238326), (396, 205827), (414, 196878), (418, 194994), (437, 186516), (471, 173052), (506, 161082), (513, 158884), (594, 137218), (621, 131252), (627, 129996), (628, 129789), (684, 119163), (759, 107388), (828, 98439), (836, 97497), (874, 93258), (942, 86526), (1012, 80541), (1026, 79442), (1188, 68609), (1242, 65626), (1254, 64998), (1311, 62172), (1413, 57684), (1518, 53694), (1727, 47196), (1748, 46629), (1881, 43332), (1884, 43263), (2052, 39721), (2277, 35796), (2484, 32813), (2508, 32499), (2622, 31086), (2826, 28842), (2983, 27324), (3036, 26847), (3454, 23598), (3611, 22572), (3762, 21666), (3933, 20724), (4239, 19228), (4554, 17898), (4807, 16956), (5181, 15732), (5244, 15543), (5643, 14444), (5652, 14421), (5966, 13662), (6831, 11932), (6908, 11799), (7222, 11286), (7524, 10833), (7866, 10362), (8478, 9614), (8949, 9108)]