266720320

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6563}}^1$

素因数の和:6707

約数の個数: 56

約数和(自身を含む): 640226304

約数和(自身を除く): 373505984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 6563, 8128, 10160, 13126, 20320, 26252, 32815, 40640, 52504, 65630, 105008, 131260, 210016, 262520, 420032, 525040, 833501, 1050080, 1667002, 2100160, 3334004, 4167505, 6668008, 8335010, 13336016, 16670020, 26672032, 33340040, 53344064, 66680080, 133360160, 266720320]

約数ペア:

[(1, 266720320), (2, 133360160), (4, 66680080), (5, 53344064), (8, 33340040), (10, 26672032), (16, 16670020), (20, 13336016), (32, 8335010), (40, 6668008), (64, 4167505), (80, 3334004), (127, 2100160), (160, 1667002), (254, 1050080), (320, 833501), (508, 525040), (635, 420032), (1016, 262520), (1270, 210016), (2032, 131260), (2540, 105008), (4064, 65630), (5080, 52504), (6563, 40640), (8128, 32815), (10160, 26252), (13126, 20320)]