16954740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8563}}^1$

素因数の和:8589

約数の個数: 72

約数和(自身を含む): 56111328

約数和(自身を除く): 39156588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8563, 17126, 25689, 34252, 42815, 51378, 77067, 85630, 94193, 102756, 128445, 154134, 171260, 188386, 256890, 282579, 308268, 376772, 385335, 470965, 513780, 565158, 770670, 847737, 941930, 1130316, 1412895, 1541340, 1695474, 1883860, 2825790, 3390948, 4238685, 5651580, 8477370, 16954740]

約数ペア:

[(1, 16954740), (2, 8477370), (3, 5651580), (4, 4238685), (5, 3390948), (6, 2825790), (9, 1883860), (10, 1695474), (11, 1541340), (12, 1412895), (15, 1130316), (18, 941930), (20, 847737), (22, 770670), (30, 565158), (33, 513780), (36, 470965), (44, 385335), (45, 376772), (55, 308268), (60, 282579), (66, 256890), (90, 188386), (99, 171260), (110, 154134), (132, 128445), (165, 102756), (180, 94193), (198, 85630), (220, 77067), (330, 51378), (396, 42815), (495, 34252), (660, 25689), (990, 17126), (1980, 8563)]