31495860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15907}}^1$

素因数の和:15933

約数の個数: 72

約数和(自身を含む): 104229216

約数和(自身を除く): 72733356

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, 15907, 31814, 47721, 63628, 79535, 95442, 143163, 159070, 174977, 190884, 238605, 286326, 318140, 349954, 477210, 524931, 572652, 699908, 715815, 874885, 954420, 1049862, 1431630, 1574793, 1749770, 2099724, 2624655, 2863260, 3149586, 3499540, 5249310, 6299172, 7873965, 10498620, 15747930, 31495860]

約数ペア:

[(1, 31495860), (2, 15747930), (3, 10498620), (4, 7873965), (5, 6299172), (6, 5249310), (9, 3499540), (10, 3149586), (11, 2863260), (12, 2624655), (15, 2099724), (18, 1749770), (20, 1574793), (22, 1431630), (30, 1049862), (33, 954420), (36, 874885), (44, 715815), (45, 699908), (55, 572652), (60, 524931), (66, 477210), (90, 349954), (99, 318140), (110, 286326), (132, 238605), (165, 190884), (180, 174977), (198, 159070), (220, 143163), (330, 95442), (396, 79535), (495, 63628), (660, 47721), (990, 31814), (1980, 15907)]