16864777720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{4409}}^1$

素因数の和:5165

約数の個数: 128

約数和(自身を含む): 45722880000

約数和(自身を除く): 28858102280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 719, 760, 1064, 1330, 1438, 2660, 2876, 3595, 4409, 5033, 5320, 5752, 7190, 8818, 10066, 13661, 14380, 17636, 20132, 22045, 25165, 27322, 28760, 30863, 35272, 40264, 44090, 50330, 54644, 61726, 68305, 83771, 88180, 95627, 100660, 109288, 123452, 136610, 154315, 167542, 176360, 191254, 201320, 246904, 273220, 308630, 335084, 382508, 418855, 478135, 546440, 586397, 617260, 670168, 765016, 837710, 956270, 1172794, 1234520, 1675420, 1912540, 2345588, 2931985, 3170071, 3350840, 3825080, 4691176, 5863970, 6340142, 11727940, 12680284, 15850355, 22190497, 23455880, 25360568, 31700710, 44380994, 60231349, 63401420, 88761988, 110952485, 120462698, 126802840, 177523976, 221904970, 240925396, 301156745, 421619443, 443809940, 481850792, 602313490, 843238886, 887619880, 1204626980, 1686477772, 2108097215, 2409253960, 3372955544, 4216194430, 8432388860, 16864777720]

約数ペア:

[(1, 16864777720), (2, 8432388860), (4, 4216194430), (5, 3372955544), (7, 2409253960), (8, 2108097215), (10, 1686477772), (14, 1204626980), (19, 887619880), (20, 843238886), (28, 602313490), (35, 481850792), (38, 443809940), (40, 421619443), (56, 301156745), (70, 240925396), (76, 221904970), (95, 177523976), (133, 126802840), (140, 120462698), (152, 110952485), (190, 88761988), (266, 63401420), (280, 60231349), (380, 44380994), (532, 31700710), (665, 25360568), (719, 23455880), (760, 22190497), (1064, 15850355), (1330, 12680284), (1438, 11727940), (2660, 6340142), (2876, 5863970), (3595, 4691176), (4409, 3825080), (5033, 3350840), (5320, 3170071), (5752, 2931985), (7190, 2345588), (8818, 1912540), (10066, 1675420), (13661, 1234520), (14380, 1172794), (17636, 956270), (20132, 837710), (22045, 765016), (25165, 670168), (27322, 617260), (28760, 586397), (30863, 546440), (35272, 478135), (40264, 418855), (44090, 382508), (50330, 335084), (54644, 308630), (61726, 273220), (68305, 246904), (83771, 201320), (88180, 191254), (95627, 176360), (100660, 167542), (109288, 154315), (123452, 136610)]