216479760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128857}}^1$

素因数の和:128880

約数の個数: 80

約数和(自身を含む): 766962816

約数和(自身を除く): 550483056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128857, 257714, 386571, 515428, 644285, 773142, 901999, 1030856, 1288570, 1546284, 1803998, 1932855, 2061712, 2577140, 2705997, 3092568, 3607996, 3865710, 4509995, 5154280, 5411994, 6185136, 7215992, 7731420, 9019990, 10308560, 10823988, 13529985, 14431984, 15462840, 18039980, 21647976, 27059970, 30925680, 36079960, 43295952, 54119940, 72159920, 108239880, 216479760]

約数ペア:

[(1, 216479760), (2, 108239880), (3, 72159920), (4, 54119940), (5, 43295952), (6, 36079960), (7, 30925680), (8, 27059970), (10, 21647976), (12, 18039980), (14, 15462840), (15, 14431984), (16, 13529985), (20, 10823988), (21, 10308560), (24, 9019990), (28, 7731420), (30, 7215992), (35, 6185136), (40, 5411994), (42, 5154280), (48, 4509995), (56, 3865710), (60, 3607996), (70, 3092568), (80, 2705997), (84, 2577140), (105, 2061712), (112, 1932855), (120, 1803998), (140, 1546284), (168, 1288570), (210, 1030856), (240, 901999), (280, 773142), (336, 644285), (420, 515428), (560, 386571), (840, 257714), (1680, 128857)]