64691280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89849}}^1$

素因数の和:89868

約数の個数: 60

約数和(自身を含む): 217257300

約数和(自身を除く): 152566020

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, 89849, 179698, 269547, 359396, 449245, 539094, 718792, 808641, 898490, 1078188, 1347735, 1437584, 1617282, 1796980, 2156376, 2695470, 3234564, 3593960, 4043205, 4312752, 5390940, 6469128, 7187920, 8086410, 10781880, 12938256, 16172820, 21563760, 32345640, 64691280]

約数ペア:

[(1, 64691280), (2, 32345640), (3, 21563760), (4, 16172820), (5, 12938256), (6, 10781880), (8, 8086410), (9, 7187920), (10, 6469128), (12, 5390940), (15, 4312752), (16, 4043205), (18, 3593960), (20, 3234564), (24, 2695470), (30, 2156376), (36, 1796980), (40, 1617282), (45, 1437584), (48, 1347735), (60, 1078188), (72, 898490), (80, 808641), (90, 718792), (120, 539094), (144, 449245), (180, 359396), (240, 269547), (360, 179698), (720, 89849)]