15426780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6949}}^1$

素因数の和:6998

約数の個数: 48

約数和(自身を含む): 44368800

約数和(自身を除く): 28942020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 6949, 13898, 20847, 27796, 34745, 41694, 69490, 83388, 104235, 138980, 208470, 257113, 416940, 514226, 771339, 1028452, 1285565, 1542678, 2571130, 3085356, 3856695, 5142260, 7713390, 15426780]

約数ペア:

[(1, 15426780), (2, 7713390), (3, 5142260), (4, 3856695), (5, 3085356), (6, 2571130), (10, 1542678), (12, 1285565), (15, 1028452), (20, 771339), (30, 514226), (37, 416940), (60, 257113), (74, 208470), (111, 138980), (148, 104235), (185, 83388), (222, 69490), (370, 41694), (444, 34745), (555, 27796), (740, 20847), (1110, 13898), (2220, 6949)]