138875220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70139}}^1$

素因数の和:70165

約数の個数: 72

約数和(自身を含む): 459557280

約数和(自身を除く): 320682060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 70139, 140278, 210417, 280556, 350695, 420834, 631251, 701390, 771529, 841668, 1052085, 1262502, 1402780, 1543058, 2104170, 2314587, 2525004, 3086116, 3156255, 3857645, 4208340, 4629174, 6312510, 6943761, 7715290, 9258348, 11572935, 12625020, 13887522, 15430580, 23145870, 27775044, 34718805, 46291740, 69437610, 138875220]

約数ペア:

[(1, 138875220), (2, 69437610), (3, 46291740), (4, 34718805), (5, 27775044), (6, 23145870), (9, 15430580), (10, 13887522), (11, 12625020), (12, 11572935), (15, 9258348), (18, 7715290), (20, 6943761), (22, 6312510), (30, 4629174), (33, 4208340), (36, 3857645), (44, 3156255), (45, 3086116), (55, 2525004), (60, 2314587), (66, 2104170), (90, 1543058), (99, 1402780), (110, 1262502), (132, 1052085), (165, 841668), (180, 771529), (198, 701390), (220, 631251), (330, 420834), (396, 350695), (495, 280556), (660, 210417), (990, 140278), (1980, 70139)]