81224856

素因数分解:

$2^3\times 3^4\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 229198200

約数和(自身を除く): 147973344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 163, 216, 324, 326, 489, 648, 652, 769, 978, 1304, 1467, 1538, 1956, 2307, 2934, 3076, 3912, 4401, 4614, 5868, 6152, 6921, 8802, 9228, 11736, 13203, 13842, 17604, 18456, 20763, 26406, 27684, 35208, 41526, 52812, 55368, 62289, 83052, 105624, 124578, 125347, 166104, 249156, 250694, 376041, 498312, 501388, 752082, 1002776, 1128123, 1504164, 2256246, 3008328, 3384369, 4512492, 6768738, 9024984, 10153107, 13537476, 20306214, 27074952, 40612428, 81224856]

約数ペア:

[(1, 81224856), (2, 40612428), (3, 27074952), (4, 20306214), (6, 13537476), (8, 10153107), (9, 9024984), (12, 6768738), (18, 4512492), (24, 3384369), (27, 3008328), (36, 2256246), (54, 1504164), (72, 1128123), (81, 1002776), (108, 752082), (162, 501388), (163, 498312), (216, 376041), (324, 250694), (326, 249156), (489, 166104), (648, 125347), (652, 124578), (769, 105624), (978, 83052), (1304, 62289), (1467, 55368), (1538, 52812), (1956, 41526), (2307, 35208), (2934, 27684), (3076, 26406), (3912, 20763), (4401, 18456), (4614, 17604), (5868, 13842), (6152, 13203), (6921, 11736), (8802, 9228)]