81635904

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 224

約数和(自身を含む): 291144960

約数和(自身を除く): 209509056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 64, 68, 72, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 168, 189, 192, 204, 216, 224, 238, 252, 272, 288, 306, 336, 357, 378, 397, 408, 432, 448, 459, 476, 504, 544, 576, 612, 672, 714, 756, 794, 816, 864, 918, 952, 1008, 1071, 1088, 1191, 1224, 1344, 1428, 1512, 1588, 1632, 1728, 1836, 1904, 2016, 2142, 2382, 2448, 2779, 2856, 3024, 3176, 3213, 3264, 3573, 3672, 3808, 4032, 4284, 4764, 4896, 5558, 5712, 6048, 6352, 6426, 6749, 7146, 7344, 7616, 8337, 8568, 9528, 9792, 10719, 11116, 11424, 12096, 12704, 12852, 13498, 14292, 14688, 16674, 17136, 19056, 20247, 21438, 22232, 22848, 25011, 25408, 25704, 26996, 28584, 29376, 33348, 34272, 38112, 40494, 42876, 44464, 47243, 50022, 51408, 53992, 57168, 60741, 66696, 68544, 75033, 76224, 80988, 85752, 88928, 94486, 100044, 102816, 107984, 114336, 121482, 133392, 141729, 150066, 161976, 171504, 177856, 182223, 188972, 200088, 205632, 215968, 228672, 242964, 266784, 283458, 300132, 323952, 343008, 364446, 377944, 400176, 425187, 431936, 485928, 533568, 566916, 600264, 647904, 686016, 728892, 755888, 800352, 850374, 971856, 1133832, 1200528, 1275561, 1295808, 1457784, 1511776, 1600704, 1700748, 1943712, 2267664, 2401056, 2551122, 2915568, 3023552, 3401496, 3887424, 4535328, 4802112, 5102244, 5831136, 6802992, 9070656, 10204488, 11662272, 13605984, 20408976, 27211968, 40817952, 81635904]

約数ペア:

[(1, 81635904), (2, 40817952), (3, 27211968), (4, 20408976), (6, 13605984), (7, 11662272), (8, 10204488), (9, 9070656), (12, 6802992), (14, 5831136), (16, 5102244), (17, 4802112), (18, 4535328), (21, 3887424), (24, 3401496), (27, 3023552), (28, 2915568), (32, 2551122), (34, 2401056), (36, 2267664), (42, 1943712), (48, 1700748), (51, 1600704), (54, 1511776), (56, 1457784), (63, 1295808), (64, 1275561), (68, 1200528), (72, 1133832), (84, 971856), (96, 850374), (102, 800352), (108, 755888), (112, 728892), (119, 686016), (126, 647904), (136, 600264), (144, 566916), (153, 533568), (168, 485928), (189, 431936), (192, 425187), (204, 400176), (216, 377944), (224, 364446), (238, 343008), (252, 323952), (272, 300132), (288, 283458), (306, 266784), (336, 242964), (357, 228672), (378, 215968), (397, 205632), (408, 200088), (432, 188972), (448, 182223), (459, 177856), (476, 171504), (504, 161976), (544, 150066), (576, 141729), (612, 133392), (672, 121482), (714, 114336), (756, 107984), (794, 102816), (816, 100044), (864, 94486), (918, 88928), (952, 85752), (1008, 80988), (1071, 76224), (1088, 75033), (1191, 68544), (1224, 66696), (1344, 60741), (1428, 57168), (1512, 53992), (1588, 51408), (1632, 50022), (1728, 47243), (1836, 44464), (1904, 42876), (2016, 40494), (2142, 38112), (2382, 34272), (2448, 33348), (2779, 29376), (2856, 28584), (3024, 26996), (3176, 25704), (3213, 25408), (3264, 25011), (3573, 22848), (3672, 22232), (3808, 21438), (4032, 20247), (4284, 19056), (4764, 17136), (4896, 16674), (5558, 14688), (5712, 14292), (6048, 13498), (6352, 12852), (6426, 12704), (6749, 12096), (7146, 11424), (7344, 11116), (7616, 10719), (8337, 9792), (8568, 9528)]