25177860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 77005656

約数和(自身を除く): 51827796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1021, 1233, 1370, 1644, 2042, 2055, 2466, 2740, 3063, 4084, 4110, 4932, 5105, 6126, 6165, 8220, 9189, 10210, 12252, 12330, 15315, 18378, 20420, 24660, 30630, 36756, 45945, 61260, 91890, 139877, 183780, 279754, 419631, 559508, 699385, 839262, 1258893, 1398770, 1678524, 2098155, 2517786, 2797540, 4196310, 5035572, 6294465, 8392620, 12588930, 25177860]

約数ペア:

[(1, 25177860), (2, 12588930), (3, 8392620), (4, 6294465), (5, 5035572), (6, 4196310), (9, 2797540), (10, 2517786), (12, 2098155), (15, 1678524), (18, 1398770), (20, 1258893), (30, 839262), (36, 699385), (45, 559508), (60, 419631), (90, 279754), (137, 183780), (180, 139877), (274, 91890), (411, 61260), (548, 45945), (685, 36756), (822, 30630), (1021, 24660), (1233, 20420), (1370, 18378), (1644, 15315), (2042, 12330), (2055, 12252), (2466, 10210), (2740, 9189), (3063, 8220), (4084, 6165), (4110, 6126), (4932, 5105)]