123424140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41981}}^1$

素因数の和:42007

約数の個数: 72

約数和(自身を含む): 402019632

約数和(自身を除く): 278595492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 41981, 83962, 125943, 167924, 209905, 251886, 293867, 419810, 503772, 587734, 629715, 839620, 881601, 1175468, 1259430, 1469335, 1763202, 2057069, 2518860, 2938670, 3526404, 4114138, 4408005, 5877340, 6171207, 8228276, 8816010, 10285345, 12342414, 17632020, 20570690, 24684828, 30856035, 41141380, 61712070, 123424140]

約数ペア:

[(1, 123424140), (2, 61712070), (3, 41141380), (4, 30856035), (5, 24684828), (6, 20570690), (7, 17632020), (10, 12342414), (12, 10285345), (14, 8816010), (15, 8228276), (20, 6171207), (21, 5877340), (28, 4408005), (30, 4114138), (35, 3526404), (42, 2938670), (49, 2518860), (60, 2057069), (70, 1763202), (84, 1469335), (98, 1259430), (105, 1175468), (140, 881601), (147, 839620), (196, 629715), (210, 587734), (245, 503772), (294, 419810), (420, 293867), (490, 251886), (588, 209905), (735, 167924), (980, 125943), (1470, 83962), (2940, 41981)]