85440780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{474671}}^1$

素因数の和:474686

約数の個数: 36

約数和(自身を含む): 259170912

約数和(自身を除く): 173730132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 474671, 949342, 1424013, 1898684, 2373355, 2848026, 4272039, 4746710, 5696052, 7120065, 8544078, 9493420, 14240130, 17088156, 21360195, 28480260, 42720390, 85440780]

約数ペア:

[(1, 85440780), (2, 42720390), (3, 28480260), (4, 21360195), (5, 17088156), (6, 14240130), (9, 9493420), (10, 8544078), (12, 7120065), (15, 5696052), (18, 4746710), (20, 4272039), (30, 2848026), (36, 2373355), (45, 1898684), (60, 1424013), (90, 949342), (180, 474671)]