218901780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{11807}}^1$

素因数の和:11925

約数の個数: 72

約数和(自身を含む): 670505472

約数和(自身を除く): 451603692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 11807, 18540, 23614, 35421, 47228, 59035, 70842, 106263, 118070, 141684, 177105, 212526, 236140, 354210, 425052, 531315, 708420, 1062630, 1216121, 2125260, 2432242, 3648363, 4864484, 6080605, 7296726, 10945089, 12161210, 14593452, 18241815, 21890178, 24322420, 36483630, 43780356, 54725445, 72967260, 109450890, 218901780]

約数ペア:

[(1, 218901780), (2, 109450890), (3, 72967260), (4, 54725445), (5, 43780356), (6, 36483630), (9, 24322420), (10, 21890178), (12, 18241815), (15, 14593452), (18, 12161210), (20, 10945089), (30, 7296726), (36, 6080605), (45, 4864484), (60, 3648363), (90, 2432242), (103, 2125260), (180, 1216121), (206, 1062630), (309, 708420), (412, 531315), (515, 425052), (618, 354210), (927, 236140), (1030, 212526), (1236, 177105), (1545, 141684), (1854, 118070), (2060, 106263), (3090, 70842), (3708, 59035), (4635, 47228), (6180, 35421), (9270, 23614), (11807, 18540)]