64790320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 173703168

約数和(自身を除く): 108912848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 911, 1016, 1270, 1778, 1822, 2032, 2540, 3556, 3644, 4445, 4555, 5080, 6377, 7112, 7288, 8890, 9110, 10160, 12754, 14224, 14576, 17780, 18220, 25508, 31885, 35560, 36440, 51016, 63770, 71120, 72880, 102032, 115697, 127540, 231394, 255080, 462788, 510160, 578485, 809879, 925576, 1156970, 1619758, 1851152, 2313940, 3239516, 4049395, 4627880, 6479032, 8098790, 9255760, 12958064, 16197580, 32395160, 64790320]

約数ペア:

[(1, 64790320), (2, 32395160), (4, 16197580), (5, 12958064), (7, 9255760), (8, 8098790), (10, 6479032), (14, 4627880), (16, 4049395), (20, 3239516), (28, 2313940), (35, 1851152), (40, 1619758), (56, 1156970), (70, 925576), (80, 809879), (112, 578485), (127, 510160), (140, 462788), (254, 255080), (280, 231394), (508, 127540), (560, 115697), (635, 102032), (889, 72880), (911, 71120), (1016, 63770), (1270, 51016), (1778, 36440), (1822, 35560), (2032, 31885), (2540, 25508), (3556, 18220), (3644, 17780), (4445, 14576), (4555, 14224), (5080, 12754), (6377, 10160), (7112, 9110), (7288, 8890)]