1215320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 2855520

約数和(自身を除く): 1640200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1321, 2642, 5284, 6605, 10568, 13210, 26420, 30383, 52840, 60766, 121532, 151915, 243064, 303830, 607660, 1215320]

約数ペア:

[(1, 1215320), (2, 607660), (4, 303830), (5, 243064), (8, 151915), (10, 121532), (20, 60766), (23, 52840), (40, 30383), (46, 26420), (92, 13210), (115, 10568), (184, 6605), (230, 5284), (460, 2642), (920, 1321)]