778814120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12473}}^1$

素因数の和:12714

約数の個数: 64

約数和(自身を含む): 2011806720

約数和(自身を除く): 1232992600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4460, 6244, 7805, 8920, 12473, 12488, 15610, 24946, 31220, 49892, 62365, 62440, 87311, 99784, 124730, 174622, 249460, 349244, 436555, 498920, 698488, 873110, 1746220, 2781479, 3492440, 5562958, 11125916, 13907395, 19470353, 22251832, 27814790, 38940706, 55629580, 77881412, 97351765, 111259160, 155762824, 194703530, 389407060, 778814120]

約数ペア:

[(1, 778814120), (2, 389407060), (4, 194703530), (5, 155762824), (7, 111259160), (8, 97351765), (10, 77881412), (14, 55629580), (20, 38940706), (28, 27814790), (35, 22251832), (40, 19470353), (56, 13907395), (70, 11125916), (140, 5562958), (223, 3492440), (280, 2781479), (446, 1746220), (892, 873110), (1115, 698488), (1561, 498920), (1784, 436555), (2230, 349244), (3122, 249460), (4460, 174622), (6244, 124730), (7805, 99784), (8920, 87311), (12473, 62440), (12488, 62365), (15610, 49892), (24946, 31220)]