1661245920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1153643}}^1$

素因数の和:1153664

約数の個数: 72

約数和(自身を含む): 5669006616

約数和(自身を除く): 4007760696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1153643, 2307286, 3460929, 4614572, 5768215, 6921858, 9229144, 10382787, 11536430, 13843716, 17304645, 18458288, 20765574, 23072860, 27687432, 34609290, 36916576, 41531148, 46145720, 51913935, 55374864, 69218580, 83062296, 92291440, 103827870, 110749728, 138437160, 166124592, 184582880, 207655740, 276874320, 332249184, 415311480, 553748640, 830622960, 1661245920]

約数ペア:

[(1, 1661245920), (2, 830622960), (3, 553748640), (4, 415311480), (5, 332249184), (6, 276874320), (8, 207655740), (9, 184582880), (10, 166124592), (12, 138437160), (15, 110749728), (16, 103827870), (18, 92291440), (20, 83062296), (24, 69218580), (30, 55374864), (32, 51913935), (36, 46145720), (40, 41531148), (45, 36916576), (48, 34609290), (60, 27687432), (72, 23072860), (80, 20765574), (90, 18458288), (96, 17304645), (120, 13843716), (144, 11536430), (160, 10382787), (180, 9229144), (240, 6921858), (288, 5768215), (360, 4614572), (480, 3460929), (720, 2307286), (1440, 1153643)]