77677920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17981}}^1$

素因数の和:18005

約数の個数: 96

約数和(自身を含む): 271887840

約数和(自身を除く): 194209920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 17981, 35962, 53943, 71924, 89905, 107886, 143848, 161829, 179810, 215772, 269715, 287696, 323658, 359620, 431544, 485487, 539430, 575392, 647316, 719240, 809145, 863088, 970974, 1078860, 1294632, 1438480, 1618290, 1726176, 1941948, 2157720, 2427435, 2589264, 2876960, 3236580, 3883896, 4315440, 4854870, 5178528, 6473160, 7767792, 8630880, 9709740, 12946320, 15535584, 19419480, 25892640, 38838960, 77677920]

約数ペア:

[(1, 77677920), (2, 38838960), (3, 25892640), (4, 19419480), (5, 15535584), (6, 12946320), (8, 9709740), (9, 8630880), (10, 7767792), (12, 6473160), (15, 5178528), (16, 4854870), (18, 4315440), (20, 3883896), (24, 3236580), (27, 2876960), (30, 2589264), (32, 2427435), (36, 2157720), (40, 1941948), (45, 1726176), (48, 1618290), (54, 1438480), (60, 1294632), (72, 1078860), (80, 970974), (90, 863088), (96, 809145), (108, 719240), (120, 647316), (135, 575392), (144, 539430), (160, 485487), (180, 431544), (216, 359620), (240, 323658), (270, 287696), (288, 269715), (360, 215772), (432, 179810), (480, 161829), (540, 143848), (720, 107886), (864, 89905), (1080, 71924), (1440, 53943), (2160, 35962), (4320, 17981)]