31909360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3038

約数の個数: 80

約数和(自身を含む): 89280000

約数和(自身を除く): 57370640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 2999, 5320, 5998, 10640, 11996, 14995, 20993, 23992, 29990, 41986, 47984, 56981, 59980, 83972, 104965, 113962, 119960, 167944, 209930, 227924, 239920, 284905, 335888, 398867, 419860, 455848, 569810, 797734, 839720, 911696, 1139620, 1595468, 1679440, 1994335, 2279240, 3190936, 3988670, 4558480, 6381872, 7977340, 15954680, 31909360]

約数ペア:

[(1, 31909360), (2, 15954680), (4, 7977340), (5, 6381872), (7, 4558480), (8, 3988670), (10, 3190936), (14, 2279240), (16, 1994335), (19, 1679440), (20, 1595468), (28, 1139620), (35, 911696), (38, 839720), (40, 797734), (56, 569810), (70, 455848), (76, 419860), (80, 398867), (95, 335888), (112, 284905), (133, 239920), (140, 227924), (152, 209930), (190, 167944), (266, 119960), (280, 113962), (304, 104965), (380, 83972), (532, 59980), (560, 56981), (665, 47984), (760, 41986), (1064, 29990), (1330, 23992), (1520, 20993), (2128, 14995), (2660, 11996), (2999, 10640), (5320, 5998)]