81383904

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 216

約数和(自身を含む): 276363360

約数和(自身を除く): 194979456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 73, 79, 84, 96, 98, 112, 126, 144, 146, 147, 158, 168, 196, 219, 224, 237, 252, 288, 292, 294, 316, 336, 392, 438, 441, 474, 504, 511, 553, 584, 588, 632, 657, 672, 711, 784, 876, 882, 948, 1008, 1022, 1106, 1168, 1176, 1264, 1314, 1422, 1533, 1568, 1659, 1752, 1764, 1896, 2016, 2044, 2212, 2336, 2352, 2528, 2628, 2844, 3066, 3318, 3504, 3528, 3577, 3792, 3871, 4088, 4424, 4599, 4704, 4977, 5256, 5688, 5767, 6132, 6636, 7008, 7056, 7154, 7584, 7742, 8176, 8848, 9198, 9954, 10512, 10731, 11376, 11534, 11613, 12264, 13272, 14112, 14308, 15484, 16352, 17301, 17696, 18396, 19908, 21024, 21462, 22752, 23068, 23226, 24528, 26544, 28616, 30968, 32193, 34602, 34839, 36792, 39816, 40369, 42924, 46136, 46452, 49056, 51903, 53088, 57232, 61936, 64386, 69204, 69678, 73584, 79632, 80738, 85848, 92272, 92904, 103806, 114464, 121107, 123872, 128772, 138408, 139356, 147168, 159264, 161476, 171696, 184544, 185808, 207612, 242214, 257544, 276816, 278712, 282583, 322952, 343392, 363321, 371616, 415224, 484428, 515088, 553632, 557424, 565166, 645904, 726642, 830448, 847749, 968856, 1030176, 1114848, 1130332, 1291808, 1453284, 1660896, 1695498, 1937712, 2260664, 2543247, 2906568, 3390996, 3875424, 4521328, 5086494, 5813136, 6781992, 9042656, 10172988, 11626272, 13563984, 20345976, 27127968, 40691952, 81383904]

約数ペア:

[(1, 81383904), (2, 40691952), (3, 27127968), (4, 20345976), (6, 13563984), (7, 11626272), (8, 10172988), (9, 9042656), (12, 6781992), (14, 5813136), (16, 5086494), (18, 4521328), (21, 3875424), (24, 3390996), (28, 2906568), (32, 2543247), (36, 2260664), (42, 1937712), (48, 1695498), (49, 1660896), (56, 1453284), (63, 1291808), (72, 1130332), (73, 1114848), (79, 1030176), (84, 968856), (96, 847749), (98, 830448), (112, 726642), (126, 645904), (144, 565166), (146, 557424), (147, 553632), (158, 515088), (168, 484428), (196, 415224), (219, 371616), (224, 363321), (237, 343392), (252, 322952), (288, 282583), (292, 278712), (294, 276816), (316, 257544), (336, 242214), (392, 207612), (438, 185808), (441, 184544), (474, 171696), (504, 161476), (511, 159264), (553, 147168), (584, 139356), (588, 138408), (632, 128772), (657, 123872), (672, 121107), (711, 114464), (784, 103806), (876, 92904), (882, 92272), (948, 85848), (1008, 80738), (1022, 79632), (1106, 73584), (1168, 69678), (1176, 69204), (1264, 64386), (1314, 61936), (1422, 57232), (1533, 53088), (1568, 51903), (1659, 49056), (1752, 46452), (1764, 46136), (1896, 42924), (2016, 40369), (2044, 39816), (2212, 36792), (2336, 34839), (2352, 34602), (2528, 32193), (2628, 30968), (2844, 28616), (3066, 26544), (3318, 24528), (3504, 23226), (3528, 23068), (3577, 22752), (3792, 21462), (3871, 21024), (4088, 19908), (4424, 18396), (4599, 17696), (4704, 17301), (4977, 16352), (5256, 15484), (5688, 14308), (5767, 14112), (6132, 13272), (6636, 12264), (7008, 11613), (7056, 11534), (7154, 11376), (7584, 10731), (7742, 10512), (8176, 9954), (8848, 9198)]