640185552

素因数分解:

$2^4\times 3^3\times {\mathrm{1481911}}^1$

素因数の和:1481928

約数の個数: 40

約数和(自身を含む): 1837570880

約数和(自身を除く): 1197385328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1481911, 2963822, 4445733, 5927644, 8891466, 11855288, 13337199, 17782932, 23710576, 26674398, 35565864, 40011597, 53348796, 71131728, 80023194, 106697592, 160046388, 213395184, 320092776, 640185552]

約数ペア:

[(1, 640185552), (2, 320092776), (3, 213395184), (4, 160046388), (6, 106697592), (8, 80023194), (9, 71131728), (12, 53348796), (16, 40011597), (18, 35565864), (24, 26674398), (27, 23710576), (36, 17782932), (48, 13337199), (54, 11855288), (72, 8891466), (108, 5927644), (144, 4445733), (216, 2963822), (432, 1481911)]