16989660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 72

約数和(自身を含む): 52948896

約数和(自身を除く): 35959236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2551, 3330, 5102, 6660, 7653, 10204, 12755, 15306, 22959, 25510, 30612, 38265, 45918, 51020, 76530, 91836, 94387, 114795, 153060, 188774, 229590, 283161, 377548, 459180, 471935, 566322, 849483, 943870, 1132644, 1415805, 1698966, 1887740, 2831610, 3397932, 4247415, 5663220, 8494830, 16989660]

約数ペア:

[(1, 16989660), (2, 8494830), (3, 5663220), (4, 4247415), (5, 3397932), (6, 2831610), (9, 1887740), (10, 1698966), (12, 1415805), (15, 1132644), (18, 943870), (20, 849483), (30, 566322), (36, 471935), (37, 459180), (45, 377548), (60, 283161), (74, 229590), (90, 188774), (111, 153060), (148, 114795), (180, 94387), (185, 91836), (222, 76530), (333, 51020), (370, 45918), (444, 38265), (555, 30612), (666, 25510), (740, 22959), (1110, 15306), (1332, 12755), (1665, 10204), (2220, 7653), (2551, 6660), (3330, 5102)]