620861955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10039}}^1$

素因数の和:10104

約数の個数: 64

約数和(自身を含む): 1233715200

約数和(自身を除く): 612853245

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 651, 665, 1085, 1767, 1995, 2945, 3255, 4123, 8835, 10039, 12369, 20615, 30117, 50195, 61845, 70273, 150585, 190741, 210819, 311209, 351365, 572223, 933627, 953705, 1054095, 1335187, 1556045, 2178463, 2861115, 4005561, 4668135, 5912971, 6535389, 6675935, 10892315, 17738913, 20027805, 29564855, 32676945, 41390797, 88694565, 124172391, 206953985, 620861955]

約数ペア:

[(1, 620861955), (3, 206953985), (5, 124172391), (7, 88694565), (15, 41390797), (19, 32676945), (21, 29564855), (31, 20027805), (35, 17738913), (57, 10892315), (93, 6675935), (95, 6535389), (105, 5912971), (133, 4668135), (155, 4005561), (217, 2861115), (285, 2178463), (399, 1556045), (465, 1335187), (589, 1054095), (651, 953705), (665, 933627), (1085, 572223), (1767, 351365), (1995, 311209), (2945, 210819), (3255, 190741), (4123, 150585), (8835, 70273), (10039, 61845), (12369, 50195), (20615, 30117)]