68956920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21283}}^1$

素因数の和:21306

約数の個数: 80

約数和(自身を含む): 231782760

約数和(自身を除く): 162825840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21283, 42566, 63849, 85132, 106415, 127698, 170264, 191547, 212830, 255396, 319245, 383094, 425660, 510792, 574641, 638490, 766188, 851320, 957735, 1149282, 1276980, 1532376, 1723923, 1915470, 2298564, 2553960, 2873205, 3447846, 3830940, 4597128, 5746410, 6895692, 7661880, 8619615, 11492820, 13791384, 17239230, 22985640, 34478460, 68956920]

約数ペア:

[(1, 68956920), (2, 34478460), (3, 22985640), (4, 17239230), (5, 13791384), (6, 11492820), (8, 8619615), (9, 7661880), (10, 6895692), (12, 5746410), (15, 4597128), (18, 3830940), (20, 3447846), (24, 2873205), (27, 2553960), (30, 2298564), (36, 1915470), (40, 1723923), (45, 1532376), (54, 1276980), (60, 1149282), (72, 957735), (81, 851320), (90, 766188), (108, 638490), (120, 574641), (135, 510792), (162, 425660), (180, 383094), (216, 319245), (270, 255396), (324, 212830), (360, 191547), (405, 170264), (540, 127698), (648, 106415), (810, 85132), (1080, 63849), (1620, 42566), (3240, 21283)]