81670440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680587}}^1$

素因数の和:680601

約数の個数: 32

約数和(自身を含む): 245011680

約数和(自身を除く): 163341240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680587, 1361174, 2041761, 2722348, 3402935, 4083522, 5444696, 6805870, 8167044, 10208805, 13611740, 16334088, 20417610, 27223480, 40835220, 81670440]

約数ペア:

[(1, 81670440), (2, 40835220), (3, 27223480), (4, 20417610), (5, 16334088), (6, 13611740), (8, 10208805), (10, 8167044), (12, 6805870), (15, 5444696), (20, 4083522), (24, 3402935), (30, 2722348), (40, 2041761), (60, 1361174), (120, 680587)]