72239440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9923}}^1$

素因数の和:9956

約数の個数: 80

約数和(自身を含む): 206736768

約数和(自身を除く): 134497328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9923, 19846, 39692, 49615, 69461, 79384, 99230, 128999, 138922, 158768, 198460, 257998, 277844, 347305, 396920, 515996, 555688, 644995, 694610, 793840, 902993, 1031992, 1111376, 1289990, 1389220, 1805986, 2063984, 2579980, 2778440, 3611972, 4514965, 5159960, 5556880, 7223944, 9029930, 10319920, 14447888, 18059860, 36119720, 72239440]

約数ペア:

[(1, 72239440), (2, 36119720), (4, 18059860), (5, 14447888), (7, 10319920), (8, 9029930), (10, 7223944), (13, 5556880), (14, 5159960), (16, 4514965), (20, 3611972), (26, 2778440), (28, 2579980), (35, 2063984), (40, 1805986), (52, 1389220), (56, 1289990), (65, 1111376), (70, 1031992), (80, 902993), (91, 793840), (104, 694610), (112, 644995), (130, 555688), (140, 515996), (182, 396920), (208, 347305), (260, 277844), (280, 257998), (364, 198460), (455, 158768), (520, 138922), (560, 128999), (728, 99230), (910, 79384), (1040, 69461), (1456, 49615), (1820, 39692), (3640, 19846), (7280, 9923)]