2615680

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 6450480

約数和(自身を除く): 3834800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 67, 80, 122, 128, 134, 160, 244, 268, 305, 320, 335, 488, 536, 610, 640, 670, 976, 1072, 1220, 1340, 1952, 2144, 2440, 2680, 3904, 4087, 4288, 4880, 5360, 7808, 8174, 8576, 9760, 10720, 16348, 19520, 20435, 21440, 32696, 39040, 40870, 42880, 65392, 81740, 130784, 163480, 261568, 326960, 523136, 653920, 1307840, 2615680]

約数ペア:

[(1, 2615680), (2, 1307840), (4, 653920), (5, 523136), (8, 326960), (10, 261568), (16, 163480), (20, 130784), (32, 81740), (40, 65392), (61, 42880), (64, 40870), (67, 39040), (80, 32696), (122, 21440), (128, 20435), (134, 19520), (160, 16348), (244, 10720), (268, 9760), (305, 8576), (320, 8174), (335, 7808), (488, 5360), (536, 4880), (610, 4288), (640, 4087), (670, 3904), (976, 2680), (1072, 2440), (1220, 2144), (1340, 1952)]