6446640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{26861}}^1$

素因数の和:26877

約数の個数: 40

約数和(自身を含む): 19985328

約数和(自身を除く): 13538688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 26861, 53722, 80583, 107444, 134305, 161166, 214888, 268610, 322332, 402915, 429776, 537220, 644664, 805830, 1074440, 1289328, 1611660, 2148880, 3223320, 6446640]

約数ペア:

[(1, 6446640), (2, 3223320), (3, 2148880), (4, 1611660), (5, 1289328), (6, 1074440), (8, 805830), (10, 644664), (12, 537220), (15, 429776), (16, 402915), (20, 322332), (24, 268610), (30, 214888), (40, 161166), (48, 134305), (60, 107444), (80, 80583), (120, 53722), (240, 26861)]