15974220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15661}}^1$

素因数の和:15690

約数の個数: 48

約数和(自身を含む): 47361888

約数和(自身を除く): 31387668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 15661, 31322, 46983, 62644, 78305, 93966, 156610, 187932, 234915, 266237, 313220, 469830, 532474, 798711, 939660, 1064948, 1331185, 1597422, 2662370, 3194844, 3993555, 5324740, 7987110, 15974220]

約数ペア:

[(1, 15974220), (2, 7987110), (3, 5324740), (4, 3993555), (5, 3194844), (6, 2662370), (10, 1597422), (12, 1331185), (15, 1064948), (17, 939660), (20, 798711), (30, 532474), (34, 469830), (51, 313220), (60, 266237), (68, 234915), (85, 187932), (102, 156610), (170, 93966), (204, 78305), (255, 62644), (340, 46983), (510, 31322), (1020, 15661)]