66931440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278881}}^1$

素因数の和:278897

約数の個数: 40

約数和(自身を含む): 207488208

約数和(自身を除く): 140556768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278881, 557762, 836643, 1115524, 1394405, 1673286, 2231048, 2788810, 3346572, 4183215, 4462096, 5577620, 6693144, 8366430, 11155240, 13386288, 16732860, 22310480, 33465720, 66931440]

約数ペア:

[(1, 66931440), (2, 33465720), (3, 22310480), (4, 16732860), (5, 13386288), (6, 11155240), (8, 8366430), (10, 6693144), (12, 5577620), (15, 4462096), (16, 4183215), (20, 3346572), (24, 2788810), (30, 2231048), (40, 1673286), (48, 1394405), (60, 1115524), (80, 836643), (120, 557762), (240, 278881)]