643060860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{824437}}^1$

素因数の和:824462

約数の個数: 48

約数和(自身を含む): 1939078176

約数和(自身を除く): 1296017316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 824437, 1648874, 2473311, 3297748, 4122185, 4946622, 8244370, 9893244, 10717681, 12366555, 16488740, 21435362, 24733110, 32153043, 42870724, 49466220, 53588405, 64306086, 107176810, 128612172, 160765215, 214353620, 321530430, 643060860]

約数ペア:

[(1, 643060860), (2, 321530430), (3, 214353620), (4, 160765215), (5, 128612172), (6, 107176810), (10, 64306086), (12, 53588405), (13, 49466220), (15, 42870724), (20, 32153043), (26, 24733110), (30, 21435362), (39, 16488740), (52, 12366555), (60, 10717681), (65, 9893244), (78, 8244370), (130, 4946622), (156, 4122185), (195, 3297748), (260, 2473311), (390, 1648874), (780, 824437)]