31284720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43451}}^1$

素因数の和:43470

約数の個数: 60

約数和(自身を含む): 105066936

約数和(自身を除く): 73782216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 43451, 86902, 130353, 173804, 217255, 260706, 347608, 391059, 434510, 521412, 651765, 695216, 782118, 869020, 1042824, 1303530, 1564236, 1738040, 1955295, 2085648, 2607060, 3128472, 3476080, 3910590, 5214120, 6256944, 7821180, 10428240, 15642360, 31284720]

約数ペア:

[(1, 31284720), (2, 15642360), (3, 10428240), (4, 7821180), (5, 6256944), (6, 5214120), (8, 3910590), (9, 3476080), (10, 3128472), (12, 2607060), (15, 2085648), (16, 1955295), (18, 1738040), (20, 1564236), (24, 1303530), (30, 1042824), (36, 869020), (40, 782118), (45, 695216), (48, 651765), (60, 521412), (72, 434510), (80, 391059), (90, 347608), (120, 260706), (144, 217255), (180, 173804), (240, 130353), (360, 86902), (720, 43451)]