81701760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{6079}}^1$

素因数の和:6108

約数の個数: 128

約数和(自身を含む): 297676800

約数和(自身を除く): 215975040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6079, 6720, 12158, 13440, 18237, 24316, 30395, 36474, 42553, 48632, 60790, 72948, 85106, 91185, 97264, 121580, 127659, 145896, 170212, 182370, 194528, 212765, 243160, 255318, 291792, 340424, 364740, 389056, 425530, 486320, 510636, 583584, 638295, 680848, 729480, 778112, 851060, 972640, 1021272, 1167168, 1276590, 1361696, 1458960, 1702120, 1945280, 2042544, 2334336, 2553180, 2723392, 2917920, 3404240, 3890560, 4085088, 5106360, 5446784, 5835840, 6808480, 8170176, 10212720, 11671680, 13616960, 16340352, 20425440, 27233920, 40850880, 81701760]

約数ペア:

[(1, 81701760), (2, 40850880), (3, 27233920), (4, 20425440), (5, 16340352), (6, 13616960), (7, 11671680), (8, 10212720), (10, 8170176), (12, 6808480), (14, 5835840), (15, 5446784), (16, 5106360), (20, 4085088), (21, 3890560), (24, 3404240), (28, 2917920), (30, 2723392), (32, 2553180), (35, 2334336), (40, 2042544), (42, 1945280), (48, 1702120), (56, 1458960), (60, 1361696), (64, 1276590), (70, 1167168), (80, 1021272), (84, 972640), (96, 851060), (105, 778112), (112, 729480), (120, 680848), (128, 638295), (140, 583584), (160, 510636), (168, 486320), (192, 425530), (210, 389056), (224, 364740), (240, 340424), (280, 291792), (320, 255318), (336, 243160), (384, 212765), (420, 194528), (448, 182370), (480, 170212), (560, 145896), (640, 127659), (672, 121580), (840, 97264), (896, 91185), (960, 85106), (1120, 72948), (1344, 60790), (1680, 48632), (1920, 42553), (2240, 36474), (2688, 30395), (3360, 24316), (4480, 18237), (6079, 13440), (6720, 12158)]