208077960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101999}}^1$

素因数の和:102030

約数の個数: 64

約数和(自身を含む): 660960000

約数和(自身を除く): 452882040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 101999, 203998, 305997, 407996, 509995, 611994, 815992, 1019990, 1223988, 1529985, 1733983, 2039980, 2447976, 3059970, 3467966, 4079960, 5201949, 6119940, 6935932, 8669915, 10403898, 12239880, 13871864, 17339830, 20807796, 26009745, 34679660, 41615592, 52019490, 69359320, 104038980, 208077960]

約数ペア:

[(1, 208077960), (2, 104038980), (3, 69359320), (4, 52019490), (5, 41615592), (6, 34679660), (8, 26009745), (10, 20807796), (12, 17339830), (15, 13871864), (17, 12239880), (20, 10403898), (24, 8669915), (30, 6935932), (34, 6119940), (40, 5201949), (51, 4079960), (60, 3467966), (68, 3059970), (85, 2447976), (102, 2039980), (120, 1733983), (136, 1529985), (170, 1223988), (204, 1019990), (255, 815992), (340, 611994), (408, 509995), (510, 407996), (680, 305997), (1020, 203998), (2040, 101999)]