81077360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 248171616

約数和(自身を除く): 167094256

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 43, 49, 52, 56, 65, 70, 74, 80, 86, 91, 98, 104, 112, 130, 140, 148, 172, 182, 185, 196, 208, 215, 245, 259, 260, 280, 296, 301, 344, 364, 370, 392, 430, 455, 481, 490, 518, 520, 559, 560, 592, 602, 637, 688, 728, 740, 784, 860, 910, 962, 980, 1036, 1040, 1118, 1204, 1274, 1295, 1456, 1480, 1505, 1591, 1720, 1813, 1820, 1924, 1960, 2072, 2107, 2236, 2405, 2408, 2548, 2590, 2795, 2960, 3010, 3182, 3185, 3367, 3440, 3626, 3640, 3848, 3913, 3920, 4144, 4214, 4472, 4810, 4816, 5096, 5180, 5590, 6020, 6364, 6370, 6734, 7252, 7280, 7696, 7826, 7955, 8428, 8944, 9065, 9620, 10192, 10360, 10535, 11137, 11180, 12040, 12728, 12740, 13468, 14504, 15652, 15910, 16835, 16856, 18130, 19240, 19565, 20683, 20720, 21070, 22274, 22360, 23569, 24080, 25456, 25480, 26936, 27391, 29008, 31304, 31820, 33670, 33712, 36260, 38480, 39130, 41366, 42140, 44548, 44720, 47138, 50960, 53872, 54782, 55685, 62608, 63640, 67340, 72520, 77959, 78260, 82732, 84280, 89096, 94276, 103415, 109564, 111370, 117845, 127280, 134680, 136955, 144781, 145040, 155918, 156520, 165464, 168560, 178192, 188552, 206830, 219128, 222740, 235690, 269360, 273910, 289562, 311836, 313040, 330928, 377104, 389795, 413660, 438256, 445480, 471380, 547820, 579124, 623672, 723905, 779590, 827320, 890960, 942760, 1013467, 1095640, 1158248, 1247344, 1447810, 1559180, 1654640, 1885520, 2026934, 2191280, 2316496, 2895620, 3118360, 4053868, 5067335, 5791240, 6236720, 8107736, 10134670, 11582480, 16215472, 20269340, 40538680, 81077360]

約数ペア:

[(1, 81077360), (2, 40538680), (4, 20269340), (5, 16215472), (7, 11582480), (8, 10134670), (10, 8107736), (13, 6236720), (14, 5791240), (16, 5067335), (20, 4053868), (26, 3118360), (28, 2895620), (35, 2316496), (37, 2191280), (40, 2026934), (43, 1885520), (49, 1654640), (52, 1559180), (56, 1447810), (65, 1247344), (70, 1158248), (74, 1095640), (80, 1013467), (86, 942760), (91, 890960), (98, 827320), (104, 779590), (112, 723905), (130, 623672), (140, 579124), (148, 547820), (172, 471380), (182, 445480), (185, 438256), (196, 413660), (208, 389795), (215, 377104), (245, 330928), (259, 313040), (260, 311836), (280, 289562), (296, 273910), (301, 269360), (344, 235690), (364, 222740), (370, 219128), (392, 206830), (430, 188552), (455, 178192), (481, 168560), (490, 165464), (518, 156520), (520, 155918), (559, 145040), (560, 144781), (592, 136955), (602, 134680), (637, 127280), (688, 117845), (728, 111370), (740, 109564), (784, 103415), (860, 94276), (910, 89096), (962, 84280), (980, 82732), (1036, 78260), (1040, 77959), (1118, 72520), (1204, 67340), (1274, 63640), (1295, 62608), (1456, 55685), (1480, 54782), (1505, 53872), (1591, 50960), (1720, 47138), (1813, 44720), (1820, 44548), (1924, 42140), (1960, 41366), (2072, 39130), (2107, 38480), (2236, 36260), (2405, 33712), (2408, 33670), (2548, 31820), (2590, 31304), (2795, 29008), (2960, 27391), (3010, 26936), (3182, 25480), (3185, 25456), (3367, 24080), (3440, 23569), (3626, 22360), (3640, 22274), (3848, 21070), (3913, 20720), (3920, 20683), (4144, 19565), (4214, 19240), (4472, 18130), (4810, 16856), (4816, 16835), (5096, 15910), (5180, 15652), (5590, 14504), (6020, 13468), (6364, 12740), (6370, 12728), (6734, 12040), (7252, 11180), (7280, 11137), (7696, 10535), (7826, 10360), (7955, 10192), (8428, 9620), (8944, 9065)]