86891280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51721}}^1$

素因数の和:51744

約数の個数: 80

約数和(自身を含む): 307849344

約数和(自身を除く): 220958064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 51721, 103442, 155163, 206884, 258605, 310326, 362047, 413768, 517210, 620652, 724094, 775815, 827536, 1034420, 1086141, 1241304, 1448188, 1551630, 1810235, 2068840, 2172282, 2482608, 2896376, 3103260, 3620470, 4137680, 4344564, 5430705, 5792752, 6206520, 7240940, 8689128, 10861410, 12413040, 14481880, 17378256, 21722820, 28963760, 43445640, 86891280]

約数ペア:

[(1, 86891280), (2, 43445640), (3, 28963760), (4, 21722820), (5, 17378256), (6, 14481880), (7, 12413040), (8, 10861410), (10, 8689128), (12, 7240940), (14, 6206520), (15, 5792752), (16, 5430705), (20, 4344564), (21, 4137680), (24, 3620470), (28, 3103260), (30, 2896376), (35, 2482608), (40, 2172282), (42, 2068840), (48, 1810235), (56, 1551630), (60, 1448188), (70, 1241304), (80, 1086141), (84, 1034420), (105, 827536), (112, 775815), (120, 724094), (140, 620652), (168, 517210), (210, 413768), (240, 362047), (280, 310326), (336, 258605), (420, 206884), (560, 155163), (840, 103442), (1680, 51721)]