90081720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{27803}}^1$

素因数の和:27826

約数の個数: 80

約数和(自身を含む): 302785560

約数和(自身を除く): 212703840

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, 27803, 55606, 83409, 111212, 139015, 166818, 222424, 250227, 278030, 333636, 417045, 500454, 556060, 667272, 750681, 834090, 1000908, 1112120, 1251135, 1501362, 1668180, 2001816, 2252043, 2502270, 3002724, 3336360, 3753405, 4504086, 5004540, 6005448, 7506810, 9008172, 10009080, 11260215, 15013620, 18016344, 22520430, 30027240, 45040860, 90081720]

約数ペア:

[(1, 90081720), (2, 45040860), (3, 30027240), (4, 22520430), (5, 18016344), (6, 15013620), (8, 11260215), (9, 10009080), (10, 9008172), (12, 7506810), (15, 6005448), (18, 5004540), (20, 4504086), (24, 3753405), (27, 3336360), (30, 3002724), (36, 2502270), (40, 2252043), (45, 2001816), (54, 1668180), (60, 1501362), (72, 1251135), (81, 1112120), (90, 1000908), (108, 834090), (120, 750681), (135, 667272), (162, 556060), (180, 500454), (216, 417045), (270, 333636), (324, 278030), (360, 250227), (405, 222424), (540, 166818), (648, 139015), (810, 111212), (1080, 83409), (1620, 55606), (3240, 27803)]