1588840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 4095360

約数和(自身を除く): 2506520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 157, 184, 220, 230, 253, 314, 440, 460, 506, 628, 785, 920, 1012, 1256, 1265, 1570, 1727, 2024, 2530, 3140, 3454, 3611, 5060, 6280, 6908, 7222, 8635, 10120, 13816, 14444, 17270, 18055, 28888, 34540, 36110, 39721, 69080, 72220, 79442, 144440, 158884, 198605, 317768, 397210, 794420, 1588840]

約数ペア:

[(1, 1588840), (2, 794420), (4, 397210), (5, 317768), (8, 198605), (10, 158884), (11, 144440), (20, 79442), (22, 72220), (23, 69080), (40, 39721), (44, 36110), (46, 34540), (55, 28888), (88, 18055), (92, 17270), (110, 14444), (115, 13816), (157, 10120), (184, 8635), (220, 7222), (230, 6908), (253, 6280), (314, 5060), (440, 3611), (460, 3454), (506, 3140), (628, 2530), (785, 2024), (920, 1727), (1012, 1570), (1256, 1265)]