1307840

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 56

約数和(自身を含む): 3212592

約数和(自身を除く): 1904752

約数列:

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

約数ペア:

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