491138880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{511603}}^1$

素因数の和:511623

約数の個数: 56

約数和(自身を含む): 1559368992

約数和(自身を除く): 1068230112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 511603, 1023206, 1534809, 2046412, 2558015, 3069618, 4092824, 5116030, 6139236, 7674045, 8185648, 10232060, 12278472, 15348090, 16371296, 20464120, 24556944, 30696180, 32742592, 40928240, 49113888, 61392360, 81856480, 98227776, 122784720, 163712960, 245569440, 491138880]

約数ペア:

[(1, 491138880), (2, 245569440), (3, 163712960), (4, 122784720), (5, 98227776), (6, 81856480), (8, 61392360), (10, 49113888), (12, 40928240), (15, 32742592), (16, 30696180), (20, 24556944), (24, 20464120), (30, 16371296), (32, 15348090), (40, 12278472), (48, 10232060), (60, 8185648), (64, 7674045), (80, 6139236), (96, 5116030), (120, 4092824), (160, 3069618), (192, 2558015), (240, 2046412), (320, 1534809), (480, 1023206), (960, 511603)]