1225740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 3548160

約数和(自身を除く): 2322420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 659, 930, 1318, 1860, 1977, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770, 20429, 39540, 40858, 61287, 81716, 102145, 122574, 204290, 245148, 306435, 408580, 612870, 1225740]

約数ペア:

[(1, 1225740), (2, 612870), (3, 408580), (4, 306435), (5, 245148), (6, 204290), (10, 122574), (12, 102145), (15, 81716), (20, 61287), (30, 40858), (31, 39540), (60, 20429), (62, 19770), (93, 13180), (124, 9885), (155, 7908), (186, 6590), (310, 3954), (372, 3295), (465, 2636), (620, 1977), (659, 1860), (930, 1318)]