66917880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61961}}^1$

素因数の和:61981

約数の個数: 64

約数和(自身を含む): 223063200

約数和(自身を除く): 156145320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 61961, 123922, 185883, 247844, 309805, 371766, 495688, 557649, 619610, 743532, 929415, 1115298, 1239220, 1487064, 1672947, 1858830, 2230596, 2478440, 2788245, 3345894, 3717660, 4461192, 5576490, 6691788, 7435320, 8364735, 11152980, 13383576, 16729470, 22305960, 33458940, 66917880]

約数ペア:

[(1, 66917880), (2, 33458940), (3, 22305960), (4, 16729470), (5, 13383576), (6, 11152980), (8, 8364735), (9, 7435320), (10, 6691788), (12, 5576490), (15, 4461192), (18, 3717660), (20, 3345894), (24, 2788245), (27, 2478440), (30, 2230596), (36, 1858830), (40, 1672947), (45, 1487064), (54, 1239220), (60, 1115298), (72, 929415), (90, 743532), (108, 619610), (120, 557649), (135, 495688), (180, 371766), (216, 309805), (270, 247844), (360, 185883), (540, 123922), (1080, 61961)]