720176994

素因数分解:

$2^1\times 3^4\times {\mathrm{647}}^1\times {\mathrm{6871}}^1$

素因数の和:7532

約数の個数: 40

約数和(自身を含む): 1616459328

約数和(自身を除く): 896282334

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 647, 1294, 1941, 3882, 5823, 6871, 11646, 13742, 17469, 20613, 34938, 41226, 52407, 61839, 104814, 123678, 185517, 371034, 556551, 1113102, 4445537, 8891074, 13336611, 26673222, 40009833, 80019666, 120029499, 240058998, 360088497, 720176994]

約数ペア:

[(1, 720176994), (2, 360088497), (3, 240058998), (6, 120029499), (9, 80019666), (18, 40009833), (27, 26673222), (54, 13336611), (81, 8891074), (162, 4445537), (647, 1113102), (1294, 556551), (1941, 371034), (3882, 185517), (5823, 123678), (6871, 104814), (11646, 61839), (13742, 52407), (17469, 41226), (20613, 34938)]