2540120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 6531840

約数和(自身を除く): 3991720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 251, 253, 440, 460, 502, 506, 920, 1004, 1012, 1255, 1265, 2008, 2024, 2510, 2530, 2761, 5020, 5060, 5522, 5773, 10040, 10120, 11044, 11546, 13805, 22088, 23092, 27610, 28865, 46184, 55220, 57730, 63503, 110440, 115460, 127006, 230920, 254012, 317515, 508024, 635030, 1270060, 2540120]

約数ペア:

[(1, 2540120), (2, 1270060), (4, 635030), (5, 508024), (8, 317515), (10, 254012), (11, 230920), (20, 127006), (22, 115460), (23, 110440), (40, 63503), (44, 57730), (46, 55220), (55, 46184), (88, 28865), (92, 27610), (110, 23092), (115, 22088), (184, 13805), (220, 11546), (230, 11044), (251, 10120), (253, 10040), (440, 5773), (460, 5522), (502, 5060), (506, 5020), (920, 2761), (1004, 2530), (1012, 2510), (1255, 2024), (1265, 2008)]