256664700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31687}}^1$

素因数の和:31713

約数の個数: 90

約数和(自身を含む): 832031816

約数和(自身を除く): 575367116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 31687, 63374, 95061, 126748, 158435, 190122, 285183, 316870, 380244, 475305, 570366, 633740, 792175, 855549, 950610, 1140732, 1425915, 1584350, 1711098, 1901220, 2376525, 2566647, 2851830, 3168700, 3422196, 4277745, 4753050, 5133294, 5703660, 7129575, 8555490, 9506100, 10266588, 12833235, 14259150, 17110980, 21388725, 25666470, 28518300, 42777450, 51332940, 64166175, 85554900, 128332350, 256664700]

約数ペア:

[(1, 256664700), (2, 128332350), (3, 85554900), (4, 64166175), (5, 51332940), (6, 42777450), (9, 28518300), (10, 25666470), (12, 21388725), (15, 17110980), (18, 14259150), (20, 12833235), (25, 10266588), (27, 9506100), (30, 8555490), (36, 7129575), (45, 5703660), (50, 5133294), (54, 4753050), (60, 4277745), (75, 3422196), (81, 3168700), (90, 2851830), (100, 2566647), (108, 2376525), (135, 1901220), (150, 1711098), (162, 1584350), (180, 1425915), (225, 1140732), (270, 950610), (300, 855549), (324, 792175), (405, 633740), (450, 570366), (540, 475305), (675, 380244), (810, 316870), (900, 285183), (1350, 190122), (1620, 158435), (2025, 126748), (2700, 95061), (4050, 63374), (8100, 31687)]