81421704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 295014720

約数和(自身を除く): 213593016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 43, 51, 52, 56, 63, 68, 72, 78, 84, 86, 91, 102, 104, 117, 119, 126, 129, 136, 153, 156, 168, 172, 182, 204, 221, 234, 238, 252, 258, 273, 289, 301, 306, 312, 344, 357, 364, 387, 408, 442, 468, 476, 504, 516, 546, 559, 578, 602, 612, 663, 714, 728, 731, 774, 819, 867, 884, 903, 936, 952, 1032, 1071, 1092, 1118, 1156, 1204, 1224, 1326, 1428, 1462, 1547, 1548, 1638, 1677, 1734, 1768, 1806, 1989, 2023, 2142, 2184, 2193, 2236, 2312, 2408, 2601, 2652, 2709, 2856, 2924, 3094, 3096, 3276, 3354, 3468, 3612, 3757, 3913, 3978, 4046, 4284, 4386, 4472, 4641, 5031, 5117, 5202, 5304, 5418, 5848, 6069, 6188, 6552, 6579, 6708, 6936, 7224, 7514, 7826, 7956, 8092, 8568, 8772, 9282, 9503, 10062, 10234, 10404, 10836, 11271, 11739, 12138, 12376, 12427, 13158, 13416, 13923, 15028, 15351, 15652, 15912, 16184, 17544, 18207, 18564, 19006, 20124, 20468, 20808, 21672, 22542, 23478, 24276, 24854, 26299, 26316, 27846, 28509, 30056, 30702, 31304, 33813, 35217, 36414, 37128, 37281, 38012, 40248, 40936, 45084, 46053, 46956, 48552, 49708, 52598, 52632, 55692, 57018, 61404, 66521, 67626, 70434, 72828, 74562, 76024, 78897, 85527, 86989, 90168, 92106, 93912, 99416, 105196, 111384, 111843, 114036, 122808, 133042, 135252, 140868, 145656, 149124, 157794, 161551, 171054, 173978, 184212, 199563, 210392, 223686, 228072, 236691, 260967, 266084, 270504, 281736, 298248, 315588, 323102, 342108, 347956, 368424, 399126, 447372, 473382, 484653, 521934, 532168, 598689, 631176, 646204, 684216, 695912, 782901, 798252, 894744, 946764, 969306, 1043868, 1130857, 1197378, 1292408, 1453959, 1565802, 1596504, 1893528, 1938612, 2087736, 2261714, 2394756, 2907918, 3131604, 3392571, 3877224, 4523428, 4789512, 5815836, 6263208, 6785142, 9046856, 10177713, 11631672, 13570284, 20355426, 27140568, 40710852, 81421704]

約数ペア:

[(1, 81421704), (2, 40710852), (3, 27140568), (4, 20355426), (6, 13570284), (7, 11631672), (8, 10177713), (9, 9046856), (12, 6785142), (13, 6263208), (14, 5815836), (17, 4789512), (18, 4523428), (21, 3877224), (24, 3392571), (26, 3131604), (28, 2907918), (34, 2394756), (36, 2261714), (39, 2087736), (42, 1938612), (43, 1893528), (51, 1596504), (52, 1565802), (56, 1453959), (63, 1292408), (68, 1197378), (72, 1130857), (78, 1043868), (84, 969306), (86, 946764), (91, 894744), (102, 798252), (104, 782901), (117, 695912), (119, 684216), (126, 646204), (129, 631176), (136, 598689), (153, 532168), (156, 521934), (168, 484653), (172, 473382), (182, 447372), (204, 399126), (221, 368424), (234, 347956), (238, 342108), (252, 323102), (258, 315588), (273, 298248), (289, 281736), (301, 270504), (306, 266084), (312, 260967), (344, 236691), (357, 228072), (364, 223686), (387, 210392), (408, 199563), (442, 184212), (468, 173978), (476, 171054), (504, 161551), (516, 157794), (546, 149124), (559, 145656), (578, 140868), (602, 135252), (612, 133042), (663, 122808), (714, 114036), (728, 111843), (731, 111384), (774, 105196), (819, 99416), (867, 93912), (884, 92106), (903, 90168), (936, 86989), (952, 85527), (1032, 78897), (1071, 76024), (1092, 74562), (1118, 72828), (1156, 70434), (1204, 67626), (1224, 66521), (1326, 61404), (1428, 57018), (1462, 55692), (1547, 52632), (1548, 52598), (1638, 49708), (1677, 48552), (1734, 46956), (1768, 46053), (1806, 45084), (1989, 40936), (2023, 40248), (2142, 38012), (2184, 37281), (2193, 37128), (2236, 36414), (2312, 35217), (2408, 33813), (2601, 31304), (2652, 30702), (2709, 30056), (2856, 28509), (2924, 27846), (3094, 26316), (3096, 26299), (3276, 24854), (3354, 24276), (3468, 23478), (3612, 22542), (3757, 21672), (3913, 20808), (3978, 20468), (4046, 20124), (4284, 19006), (4386, 18564), (4472, 18207), (4641, 17544), (5031, 16184), (5117, 15912), (5202, 15652), (5304, 15351), (5418, 15028), (5848, 13923), (6069, 13416), (6188, 13158), (6552, 12427), (6579, 12376), (6708, 12138), (6936, 11739), (7224, 11271), (7514, 10836), (7826, 10404), (7956, 10234), (8092, 10062), (8568, 9503), (8772, 9282)]