270440080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6916

約数の個数: 80

約数和(自身を含む): 688817520

約数和(自身を除く): 418377440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 6857, 7888, 9860, 13714, 19720, 27428, 34285, 39440, 54856, 68570, 109712, 116569, 137140, 198853, 233138, 274280, 397706, 466276, 548560, 582845, 795412, 932552, 994265, 1165690, 1590824, 1865104, 1988530, 2331380, 3181648, 3380501, 3977060, 4662760, 6761002, 7954120, 9325520, 13522004, 15908240, 16902505, 27044008, 33805010, 54088016, 67610020, 135220040, 270440080]

約数ペア:

[(1, 270440080), (2, 135220040), (4, 67610020), (5, 54088016), (8, 33805010), (10, 27044008), (16, 16902505), (17, 15908240), (20, 13522004), (29, 9325520), (34, 7954120), (40, 6761002), (58, 4662760), (68, 3977060), (80, 3380501), (85, 3181648), (116, 2331380), (136, 1988530), (145, 1865104), (170, 1590824), (232, 1165690), (272, 994265), (290, 932552), (340, 795412), (464, 582845), (493, 548560), (580, 466276), (680, 397706), (986, 274280), (1160, 233138), (1360, 198853), (1972, 137140), (2320, 116569), (2465, 109712), (3944, 68570), (4930, 54856), (6857, 39440), (7888, 34285), (9860, 27428), (13714, 19720)]