31390440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{261587}}^1$

素因数の和:261601

約数の個数: 32

約数和(自身を含む): 94171680

約数和(自身を除く): 62781240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 261587, 523174, 784761, 1046348, 1307935, 1569522, 2092696, 2615870, 3139044, 3923805, 5231740, 6278088, 7847610, 10463480, 15695220, 31390440]

約数ペア:

[(1, 31390440), (2, 15695220), (3, 10463480), (4, 7847610), (5, 6278088), (6, 5231740), (8, 3923805), (10, 3139044), (12, 2615870), (15, 2092696), (20, 1569522), (24, 1307935), (30, 1046348), (40, 784761), (60, 523174), (120, 261587)]