215818720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 596090880

約数和(自身を除く): 380272160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 127, 130, 152, 160, 172, 190, 208, 215, 247, 254, 260, 304, 344, 380, 416, 430, 494, 508, 520, 559, 608, 635, 688, 760, 817, 860, 988, 1016, 1040, 1118, 1235, 1270, 1376, 1520, 1634, 1651, 1720, 1976, 2032, 2080, 2236, 2413, 2470, 2540, 2795, 3040, 3268, 3302, 3440, 3952, 4064, 4085, 4472, 4826, 4940, 5080, 5461, 5590, 6536, 6604, 6880, 7904, 8170, 8255, 8944, 9652, 9880, 10160, 10621, 10922, 11180, 12065, 13072, 13208, 16340, 16510, 17888, 19304, 19760, 20320, 21242, 21844, 22360, 24130, 26144, 26416, 27305, 31369, 32680, 33020, 38608, 39520, 42484, 43688, 44720, 48260, 52832, 53105, 54610, 62738, 65360, 66040, 70993, 77216, 84968, 87376, 89440, 96520, 103759, 106210, 109220, 125476, 130720, 132080, 141986, 156845, 169936, 174752, 193040, 207518, 212420, 218440, 250952, 264160, 283972, 313690, 339872, 354965, 386080, 415036, 424840, 436880, 501904, 518795, 567944, 627380, 709930, 830072, 849680, 873760, 1003808, 1037590, 1135888, 1254760, 1348867, 1419860, 1660144, 1699360, 2075180, 2271776, 2509520, 2697734, 2839720, 3320288, 4150360, 5019040, 5395468, 5679440, 6744335, 8300720, 10790936, 11358880, 13488670, 16601440, 21581872, 26977340, 43163744, 53954680, 107909360, 215818720]

約数ペア:

[(1, 215818720), (2, 107909360), (4, 53954680), (5, 43163744), (8, 26977340), (10, 21581872), (13, 16601440), (16, 13488670), (19, 11358880), (20, 10790936), (26, 8300720), (32, 6744335), (38, 5679440), (40, 5395468), (43, 5019040), (52, 4150360), (65, 3320288), (76, 2839720), (80, 2697734), (86, 2509520), (95, 2271776), (104, 2075180), (127, 1699360), (130, 1660144), (152, 1419860), (160, 1348867), (172, 1254760), (190, 1135888), (208, 1037590), (215, 1003808), (247, 873760), (254, 849680), (260, 830072), (304, 709930), (344, 627380), (380, 567944), (416, 518795), (430, 501904), (494, 436880), (508, 424840), (520, 415036), (559, 386080), (608, 354965), (635, 339872), (688, 313690), (760, 283972), (817, 264160), (860, 250952), (988, 218440), (1016, 212420), (1040, 207518), (1118, 193040), (1235, 174752), (1270, 169936), (1376, 156845), (1520, 141986), (1634, 132080), (1651, 130720), (1720, 125476), (1976, 109220), (2032, 106210), (2080, 103759), (2236, 96520), (2413, 89440), (2470, 87376), (2540, 84968), (2795, 77216), (3040, 70993), (3268, 66040), (3302, 65360), (3440, 62738), (3952, 54610), (4064, 53105), (4085, 52832), (4472, 48260), (4826, 44720), (4940, 43688), (5080, 42484), (5461, 39520), (5590, 38608), (6536, 33020), (6604, 32680), (6880, 31369), (7904, 27305), (8170, 26416), (8255, 26144), (8944, 24130), (9652, 22360), (9880, 21844), (10160, 21242), (10621, 20320), (10922, 19760), (11180, 19304), (12065, 17888), (13072, 16510), (13208, 16340)]