12319720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 33073920

約数和(自身を除く): 20754200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 1913, 3220, 3826, 6440, 7652, 9565, 13391, 15304, 19130, 26782, 38260, 43999, 53564, 66955, 76520, 87998, 107128, 133910, 175996, 219995, 267820, 307993, 351992, 439990, 535640, 615986, 879980, 1231972, 1539965, 1759960, 2463944, 3079930, 6159860, 12319720]

約数ペア:

[(1, 12319720), (2, 6159860), (4, 3079930), (5, 2463944), (7, 1759960), (8, 1539965), (10, 1231972), (14, 879980), (20, 615986), (23, 535640), (28, 439990), (35, 351992), (40, 307993), (46, 267820), (56, 219995), (70, 175996), (92, 133910), (115, 107128), (140, 87998), (161, 76520), (184, 66955), (230, 53564), (280, 43999), (322, 38260), (460, 26782), (644, 19130), (805, 15304), (920, 13391), (1288, 9565), (1610, 7652), (1913, 6440), (3220, 3826)]