42390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 113760

約数和(自身を除く): 71370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 270, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4239, 4710, 7065, 8478, 14130, 21195, 42390]

約数ペア:

[(1, 42390), (2, 21195), (3, 14130), (5, 8478), (6, 7065), (9, 4710), (10, 4239), (15, 2826), (18, 2355), (27, 1570), (30, 1413), (45, 942), (54, 785), (90, 471), (135, 314), (157, 270)]