30799720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 79678080

約数和(自身を除く): 48878360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 347, 634, 694, 1268, 1388, 1585, 1735, 2219, 2429, 2536, 2776, 3170, 3470, 4438, 4858, 6340, 6940, 8876, 9716, 11095, 12145, 12680, 13880, 17752, 19432, 22190, 24290, 44380, 48580, 88760, 97160, 109999, 219998, 439996, 549995, 769993, 879992, 1099990, 1539986, 2199980, 3079972, 3849965, 4399960, 6159944, 7699930, 15399860, 30799720]

約数ペア:

[(1, 30799720), (2, 15399860), (4, 7699930), (5, 6159944), (7, 4399960), (8, 3849965), (10, 3079972), (14, 2199980), (20, 1539986), (28, 1099990), (35, 879992), (40, 769993), (56, 549995), (70, 439996), (140, 219998), (280, 109999), (317, 97160), (347, 88760), (634, 48580), (694, 44380), (1268, 24290), (1388, 22190), (1585, 19432), (1735, 17752), (2219, 13880), (2429, 12680), (2536, 12145), (2776, 11095), (3170, 9716), (3470, 8876), (4438, 6940), (4858, 6340)]