54788720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 146562048

約数和(自身を除く): 91773328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 431, 454, 560, 862, 908, 1135, 1589, 1724, 1816, 2155, 2270, 3017, 3178, 3448, 3632, 4310, 4540, 6034, 6356, 6896, 7945, 8620, 9080, 12068, 12712, 15085, 15890, 17240, 18160, 24136, 25424, 30170, 31780, 34480, 48272, 60340, 63560, 97837, 120680, 127120, 195674, 241360, 391348, 489185, 684859, 782696, 978370, 1369718, 1565392, 1956740, 2739436, 3424295, 3913480, 5478872, 6848590, 7826960, 10957744, 13697180, 27394360, 54788720]

約数ペア:

[(1, 54788720), (2, 27394360), (4, 13697180), (5, 10957744), (7, 7826960), (8, 6848590), (10, 5478872), (14, 3913480), (16, 3424295), (20, 2739436), (28, 1956740), (35, 1565392), (40, 1369718), (56, 978370), (70, 782696), (80, 684859), (112, 489185), (140, 391348), (227, 241360), (280, 195674), (431, 127120), (454, 120680), (560, 97837), (862, 63560), (908, 60340), (1135, 48272), (1589, 34480), (1724, 31780), (1816, 30170), (2155, 25424), (2270, 24136), (3017, 18160), (3178, 17240), (3448, 15890), (3632, 15085), (4310, 12712), (4540, 12068), (6034, 9080), (6356, 8620), (6896, 7945)]