81898992

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 240

約数和(自身を含む): 282437280

約数和(自身を除く): 200538288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 53, 54, 56, 63, 72, 73, 84, 98, 106, 108, 112, 126, 144, 146, 147, 159, 168, 189, 196, 212, 216, 219, 252, 292, 294, 318, 336, 371, 378, 392, 424, 432, 438, 441, 477, 504, 511, 584, 588, 636, 657, 742, 756, 784, 848, 876, 882, 954, 1008, 1022, 1113, 1168, 1176, 1272, 1314, 1323, 1431, 1484, 1512, 1533, 1752, 1764, 1908, 1971, 2044, 2226, 2352, 2544, 2597, 2628, 2646, 2862, 2968, 3024, 3066, 3339, 3504, 3528, 3577, 3816, 3869, 3942, 4088, 4452, 4599, 5194, 5256, 5292, 5724, 5936, 6132, 6678, 7056, 7154, 7632, 7738, 7791, 7884, 8176, 8904, 9198, 10017, 10388, 10512, 10584, 10731, 11448, 11607, 12264, 13356, 13797, 14308, 15476, 15582, 15768, 17808, 18396, 20034, 20776, 21168, 21462, 22896, 23214, 23373, 24528, 26712, 27083, 27594, 28616, 30952, 31164, 31536, 32193, 34821, 36792, 40068, 41552, 42924, 46428, 46746, 53424, 54166, 55188, 57232, 61904, 62328, 64386, 69642, 70119, 73584, 80136, 81249, 85848, 92856, 93492, 96579, 104463, 108332, 110376, 124656, 128772, 139284, 140238, 160272, 162498, 171696, 185712, 186984, 189581, 193158, 208926, 216664, 220752, 243747, 257544, 278568, 280476, 324996, 373968, 379162, 386316, 417852, 433328, 487494, 515088, 557136, 560952, 568743, 649992, 731241, 758324, 772632, 835704, 974988, 1121904, 1137486, 1299984, 1462482, 1516648, 1545264, 1671408, 1706229, 1949976, 2274972, 2924964, 3033296, 3412458, 3899952, 4549944, 5118687, 5849928, 6824916, 9099888, 10237374, 11699856, 13649832, 20474748, 27299664, 40949496, 81898992]

約数ペア:

[(1, 81898992), (2, 40949496), (3, 27299664), (4, 20474748), (6, 13649832), (7, 11699856), (8, 10237374), (9, 9099888), (12, 6824916), (14, 5849928), (16, 5118687), (18, 4549944), (21, 3899952), (24, 3412458), (27, 3033296), (28, 2924964), (36, 2274972), (42, 1949976), (48, 1706229), (49, 1671408), (53, 1545264), (54, 1516648), (56, 1462482), (63, 1299984), (72, 1137486), (73, 1121904), (84, 974988), (98, 835704), (106, 772632), (108, 758324), (112, 731241), (126, 649992), (144, 568743), (146, 560952), (147, 557136), (159, 515088), (168, 487494), (189, 433328), (196, 417852), (212, 386316), (216, 379162), (219, 373968), (252, 324996), (292, 280476), (294, 278568), (318, 257544), (336, 243747), (371, 220752), (378, 216664), (392, 208926), (424, 193158), (432, 189581), (438, 186984), (441, 185712), (477, 171696), (504, 162498), (511, 160272), (584, 140238), (588, 139284), (636, 128772), (657, 124656), (742, 110376), (756, 108332), (784, 104463), (848, 96579), (876, 93492), (882, 92856), (954, 85848), (1008, 81249), (1022, 80136), (1113, 73584), (1168, 70119), (1176, 69642), (1272, 64386), (1314, 62328), (1323, 61904), (1431, 57232), (1484, 55188), (1512, 54166), (1533, 53424), (1752, 46746), (1764, 46428), (1908, 42924), (1971, 41552), (2044, 40068), (2226, 36792), (2352, 34821), (2544, 32193), (2597, 31536), (2628, 31164), (2646, 30952), (2862, 28616), (2968, 27594), (3024, 27083), (3066, 26712), (3339, 24528), (3504, 23373), (3528, 23214), (3577, 22896), (3816, 21462), (3869, 21168), (3942, 20776), (4088, 20034), (4452, 18396), (4599, 17808), (5194, 15768), (5256, 15582), (5292, 15476), (5724, 14308), (5936, 13797), (6132, 13356), (6678, 12264), (7056, 11607), (7154, 11448), (7632, 10731), (7738, 10584), (7791, 10512), (7884, 10388), (8176, 10017), (8904, 9198)]