128002920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7159}}^1$

素因数の和:7322

約数の個数: 64

約数和(自身を含む): 386640000

約数和(自身を除く): 258637080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 7159, 8940, 14318, 17880, 21477, 28636, 35795, 42954, 57272, 71590, 85908, 107385, 143180, 171816, 214770, 286360, 429540, 859080, 1066691, 2133382, 3200073, 4266764, 5333455, 6400146, 8533528, 10666910, 12800292, 16000365, 21333820, 25600584, 32000730, 42667640, 64001460, 128002920]

約数ペア:

[(1, 128002920), (2, 64001460), (3, 42667640), (4, 32000730), (5, 25600584), (6, 21333820), (8, 16000365), (10, 12800292), (12, 10666910), (15, 8533528), (20, 6400146), (24, 5333455), (30, 4266764), (40, 3200073), (60, 2133382), (120, 1066691), (149, 859080), (298, 429540), (447, 286360), (596, 214770), (745, 171816), (894, 143180), (1192, 107385), (1490, 85908), (1788, 71590), (2235, 57272), (2980, 42954), (3576, 35795), (4470, 28636), (5960, 21477), (7159, 17880), (8940, 14318)]