1818948960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{140351}}^1$

素因数の和:140378

約数の個数: 120

約数和(自身を含む): 6419419776

約数和(自身を除く): 4600470816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 140351, 280702, 421053, 561404, 701755, 842106, 1122808, 1263159, 1403510, 1684212, 2105265, 2245616, 2526318, 2807020, 3368424, 3789477, 4210530, 4491232, 5052636, 5614040, 6315795, 6736848, 7578954, 8421060, 10105272, 11228080, 11368431, 12631590, 13473696, 15157908, 16842120, 18947385, 20210544, 22456160, 22736862, 25263180, 30315816, 33684240, 37894770, 40421088, 45473724, 50526360, 56842155, 60631632, 67368480, 75789540, 90947448, 101052720, 113684310, 121263264, 151579080, 181894896, 202105440, 227368620, 303158160, 363789792, 454737240, 606316320, 909474480, 1818948960]

約数ペア:

[(1, 1818948960), (2, 909474480), (3, 606316320), (4, 454737240), (5, 363789792), (6, 303158160), (8, 227368620), (9, 202105440), (10, 181894896), (12, 151579080), (15, 121263264), (16, 113684310), (18, 101052720), (20, 90947448), (24, 75789540), (27, 67368480), (30, 60631632), (32, 56842155), (36, 50526360), (40, 45473724), (45, 40421088), (48, 37894770), (54, 33684240), (60, 30315816), (72, 25263180), (80, 22736862), (81, 22456160), (90, 20210544), (96, 18947385), (108, 16842120), (120, 15157908), (135, 13473696), (144, 12631590), (160, 11368431), (162, 11228080), (180, 10105272), (216, 8421060), (240, 7578954), (270, 6736848), (288, 6315795), (324, 5614040), (360, 5052636), (405, 4491232), (432, 4210530), (480, 3789477), (540, 3368424), (648, 2807020), (720, 2526318), (810, 2245616), (864, 2105265), (1080, 1684212), (1296, 1403510), (1440, 1263159), (1620, 1122808), (2160, 842106), (2592, 701755), (3240, 561404), (4320, 421053), (6480, 280702), (12960, 140351)]