42720390

素因数分解:

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

素因数の和:474684

約数の個数: 24

約数和(自身を含む): 111073248

約数和(自身を除く): 68352858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 474671, 949342, 1424013, 2373355, 2848026, 4272039, 4746710, 7120065, 8544078, 14240130, 21360195, 42720390]

約数ペア:

[(1, 42720390), (2, 21360195), (3, 14240130), (5, 8544078), (6, 7120065), (9, 4746710), (10, 4272039), (15, 2848026), (18, 2373355), (30, 1424013), (45, 949342), (90, 474671)]