81364824

素因数分解:

$2^3\times 3^4\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 229198200

約数和(自身を除く): 147833376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 307, 324, 409, 614, 648, 818, 921, 1227, 1228, 1636, 1842, 2454, 2456, 2763, 3272, 3681, 3684, 4908, 5526, 7362, 7368, 8289, 9816, 11043, 11052, 14724, 16578, 22086, 22104, 24867, 29448, 33129, 33156, 44172, 49734, 66258, 66312, 88344, 99468, 125563, 132516, 198936, 251126, 265032, 376689, 502252, 753378, 1004504, 1130067, 1506756, 2260134, 3013512, 3390201, 4520268, 6780402, 9040536, 10170603, 13560804, 20341206, 27121608, 40682412, 81364824]

約数ペア:

[(1, 81364824), (2, 40682412), (3, 27121608), (4, 20341206), (6, 13560804), (8, 10170603), (9, 9040536), (12, 6780402), (18, 4520268), (24, 3390201), (27, 3013512), (36, 2260134), (54, 1506756), (72, 1130067), (81, 1004504), (108, 753378), (162, 502252), (216, 376689), (307, 265032), (324, 251126), (409, 198936), (614, 132516), (648, 125563), (818, 99468), (921, 88344), (1227, 66312), (1228, 66258), (1636, 49734), (1842, 44172), (2454, 33156), (2456, 33129), (2763, 29448), (3272, 24867), (3681, 22104), (3684, 22086), (4908, 16578), (5526, 14724), (7362, 11052), (7368, 11043), (8289, 9816)]