311148840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{26731}}^1$

素因数の和:26842

約数の個数: 64

約数和(自身を含む): 943104960

約数和(自身を除く): 631956120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 26731, 53462, 80193, 106924, 133655, 160386, 213848, 267310, 320772, 400965, 534620, 641544, 801930, 1069240, 1603860, 2592907, 3207720, 5185814, 7778721, 10371628, 12964535, 15557442, 20743256, 25929070, 31114884, 38893605, 51858140, 62229768, 77787210, 103716280, 155574420, 311148840]

約数ペア:

[(1, 311148840), (2, 155574420), (3, 103716280), (4, 77787210), (5, 62229768), (6, 51858140), (8, 38893605), (10, 31114884), (12, 25929070), (15, 20743256), (20, 15557442), (24, 12964535), (30, 10371628), (40, 7778721), (60, 5185814), (97, 3207720), (120, 2592907), (194, 1603860), (291, 1069240), (388, 801930), (485, 641544), (582, 534620), (776, 400965), (970, 320772), (1164, 267310), (1455, 213848), (1940, 160386), (2328, 133655), (2910, 106924), (3880, 80193), (5820, 53462), (11640, 26731)]