161975220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245417}}^1$

素因数の和:245440

約数の個数: 48

約数和(自身を含む): 494762688

約数和(自身を除く): 332787468

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 245417, 490834, 736251, 981668, 1227085, 1472502, 2454170, 2699587, 2945004, 3681255, 4908340, 5399174, 7362510, 8098761, 10798348, 13497935, 14725020, 16197522, 26995870, 32395044, 40493805, 53991740, 80987610, 161975220]

約数ペア:

[(1, 161975220), (2, 80987610), (3, 53991740), (4, 40493805), (5, 32395044), (6, 26995870), (10, 16197522), (11, 14725020), (12, 13497935), (15, 10798348), (20, 8098761), (22, 7362510), (30, 5399174), (33, 4908340), (44, 3681255), (55, 2945004), (60, 2699587), (66, 2454170), (110, 1472502), (132, 1227085), (165, 981668), (220, 736251), (330, 490834), (660, 245417)]