108239880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{128857}}^1$

素因数の和:128878

約数の個数: 64

約数和(自身を含む): 371111040

約数和(自身を除く): 262871160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 128857, 257714, 386571, 515428, 644285, 773142, 901999, 1030856, 1288570, 1546284, 1803998, 1932855, 2577140, 2705997, 3092568, 3607996, 3865710, 4509995, 5154280, 5411994, 7215992, 7731420, 9019990, 10823988, 13529985, 15462840, 18039980, 21647976, 27059970, 36079960, 54119940, 108239880]

約数ペア:

[(1, 108239880), (2, 54119940), (3, 36079960), (4, 27059970), (5, 21647976), (6, 18039980), (7, 15462840), (8, 13529985), (10, 10823988), (12, 9019990), (14, 7731420), (15, 7215992), (20, 5411994), (21, 5154280), (24, 4509995), (28, 3865710), (30, 3607996), (35, 3092568), (40, 2705997), (42, 2577140), (56, 1932855), (60, 1803998), (70, 1546284), (84, 1288570), (105, 1030856), (120, 901999), (140, 773142), (168, 644285), (210, 515428), (280, 386571), (420, 257714), (840, 128857)]