8238420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 25686024

約数和(自身を除く): 17447604

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, 1237, 1332, 1665, 2220, 2474, 3330, 3711, 4948, 6185, 6660, 7422, 11133, 12370, 14844, 18555, 22266, 24740, 37110, 44532, 45769, 55665, 74220, 91538, 111330, 137307, 183076, 222660, 228845, 274614, 411921, 457690, 549228, 686535, 823842, 915380, 1373070, 1647684, 2059605, 2746140, 4119210, 8238420]

約数ペア:

[(1, 8238420), (2, 4119210), (3, 2746140), (4, 2059605), (5, 1647684), (6, 1373070), (9, 915380), (10, 823842), (12, 686535), (15, 549228), (18, 457690), (20, 411921), (30, 274614), (36, 228845), (37, 222660), (45, 183076), (60, 137307), (74, 111330), (90, 91538), (111, 74220), (148, 55665), (180, 45769), (185, 44532), (222, 37110), (333, 24740), (370, 22266), (444, 18555), (555, 14844), (666, 12370), (740, 11133), (1110, 7422), (1237, 6660), (1332, 6185), (1665, 4948), (2220, 3711), (2474, 3330)]