2255670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 5964192

約数和(自身を除く): 3708522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 353, 355, 426, 639, 706, 710, 1059, 1065, 1278, 1765, 2118, 2130, 3177, 3195, 3530, 5295, 6354, 6390, 10590, 15885, 25063, 31770, 50126, 75189, 125315, 150378, 225567, 250630, 375945, 451134, 751890, 1127835, 2255670]

約数ペア:

[(1, 2255670), (2, 1127835), (3, 751890), (5, 451134), (6, 375945), (9, 250630), (10, 225567), (15, 150378), (18, 125315), (30, 75189), (45, 50126), (71, 31770), (90, 25063), (142, 15885), (213, 10590), (353, 6390), (355, 6354), (426, 5295), (639, 3530), (706, 3195), (710, 3177), (1059, 2130), (1065, 2118), (1278, 1765)]