81999240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23563}}^1$

素因数の和:23606

約数の個数: 64

約数和(自身を含む): 254491200

約数和(自身を除く): 172491960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 23563, 47126, 70689, 94252, 117815, 141378, 188504, 235630, 282756, 353445, 471260, 565512, 683327, 706890, 942520, 1366654, 1413780, 2049981, 2733308, 2827560, 3416635, 4099962, 5466616, 6833270, 8199924, 10249905, 13666540, 16399848, 20499810, 27333080, 40999620, 81999240]

約数ペア:

[(1, 81999240), (2, 40999620), (3, 27333080), (4, 20499810), (5, 16399848), (6, 13666540), (8, 10249905), (10, 8199924), (12, 6833270), (15, 5466616), (20, 4099962), (24, 3416635), (29, 2827560), (30, 2733308), (40, 2049981), (58, 1413780), (60, 1366654), (87, 942520), (116, 706890), (120, 683327), (145, 565512), (174, 471260), (232, 353445), (290, 282756), (348, 235630), (435, 188504), (580, 141378), (696, 117815), (870, 94252), (1160, 70689), (1740, 47126), (3480, 23563)]