71357720

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{743}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 187554960

約数和(自身を除く): 116197240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 743, 980, 1372, 1486, 1715, 1960, 2401, 2744, 2972, 3430, 3715, 4802, 5201, 5944, 6860, 7430, 9604, 10402, 12005, 13720, 14860, 19208, 20804, 24010, 26005, 29720, 36407, 41608, 48020, 52010, 72814, 96040, 104020, 145628, 182035, 208040, 254849, 291256, 364070, 509698, 728140, 1019396, 1274245, 1456280, 1783943, 2038792, 2548490, 3567886, 5096980, 7135772, 8919715, 10193960, 14271544, 17839430, 35678860, 71357720]

約数ペア:

[(1, 71357720), (2, 35678860), (4, 17839430), (5, 14271544), (7, 10193960), (8, 8919715), (10, 7135772), (14, 5096980), (20, 3567886), (28, 2548490), (35, 2038792), (40, 1783943), (49, 1456280), (56, 1274245), (70, 1019396), (98, 728140), (140, 509698), (196, 364070), (245, 291256), (280, 254849), (343, 208040), (392, 182035), (490, 145628), (686, 104020), (743, 96040), (980, 72814), (1372, 52010), (1486, 48020), (1715, 41608), (1960, 36407), (2401, 29720), (2744, 26005), (2972, 24010), (3430, 20804), (3715, 19208), (4802, 14860), (5201, 13720), (5944, 12005), (6860, 10402), (7430, 9604)]