2015018840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{4483}}^1$

素因数の和:5172

約数の個数: 64

約数和(自身を含む): 4808820960

約数和(自身を除く): 2793802120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 661, 680, 1322, 2644, 3305, 4483, 5288, 6610, 8966, 11237, 13220, 17932, 22415, 22474, 26440, 35864, 44830, 44948, 56185, 76211, 89660, 89896, 112370, 152422, 179320, 224740, 304844, 381055, 449480, 609688, 762110, 1524220, 2963263, 3048440, 5926526, 11853052, 14816315, 23706104, 29632630, 50375471, 59265260, 100750942, 118530520, 201501884, 251877355, 403003768, 503754710, 1007509420, 2015018840]

約数ペア:

[(1, 2015018840), (2, 1007509420), (4, 503754710), (5, 403003768), (8, 251877355), (10, 201501884), (17, 118530520), (20, 100750942), (34, 59265260), (40, 50375471), (68, 29632630), (85, 23706104), (136, 14816315), (170, 11853052), (340, 5926526), (661, 3048440), (680, 2963263), (1322, 1524220), (2644, 762110), (3305, 609688), (4483, 449480), (5288, 381055), (6610, 304844), (8966, 224740), (11237, 179320), (13220, 152422), (17932, 112370), (22415, 89896), (22474, 89660), (26440, 76211), (35864, 56185), (44830, 44948)]