1491320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 3503520

約数和(自身を除く): 2012200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 37283, 64840, 74566, 149132, 186415, 298264, 372830, 745660, 1491320]

約数ペア:

[(1, 1491320), (2, 745660), (4, 372830), (5, 298264), (8, 186415), (10, 149132), (20, 74566), (23, 64840), (40, 37283), (46, 32420), (92, 16210), (115, 12968), (184, 8105), (230, 6484), (460, 3242), (920, 1621)]