138175920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{191911}}^1$

素因数の和:191930

約数の個数: 60

約数和(自身を含む): 464043216

約数和(自身を除く): 325867296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 191911, 383822, 575733, 767644, 959555, 1151466, 1535288, 1727199, 1919110, 2302932, 2878665, 3070576, 3454398, 3838220, 4605864, 5757330, 6908796, 7676440, 8635995, 9211728, 11514660, 13817592, 15352880, 17271990, 23029320, 27635184, 34543980, 46058640, 69087960, 138175920]

約数ペア:

[(1, 138175920), (2, 69087960), (3, 46058640), (4, 34543980), (5, 27635184), (6, 23029320), (8, 17271990), (9, 15352880), (10, 13817592), (12, 11514660), (15, 9211728), (16, 8635995), (18, 7676440), (20, 6908796), (24, 5757330), (30, 4605864), (36, 3838220), (40, 3454398), (45, 3070576), (48, 2878665), (60, 2302932), (72, 1919110), (80, 1727199), (90, 1535288), (120, 1151466), (144, 959555), (180, 767644), (240, 575733), (360, 383822), (720, 191911)]