1616440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2738120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 251, 280, 322, 460, 502, 644, 805, 920, 1004, 1255, 1288, 1610, 1757, 2008, 2510, 3220, 3514, 5020, 5773, 6440, 7028, 8785, 10040, 11546, 14056, 17570, 23092, 28865, 35140, 40411, 46184, 57730, 70280, 80822, 115460, 161644, 202055, 230920, 323288, 404110, 808220, 1616440]

約数ペア:

[(1, 1616440), (2, 808220), (4, 404110), (5, 323288), (7, 230920), (8, 202055), (10, 161644), (14, 115460), (20, 80822), (23, 70280), (28, 57730), (35, 46184), (40, 40411), (46, 35140), (56, 28865), (70, 23092), (92, 17570), (115, 14056), (140, 11546), (161, 10040), (184, 8785), (230, 7028), (251, 6440), (280, 5773), (322, 5020), (460, 3514), (502, 3220), (644, 2510), (805, 2008), (920, 1757), (1004, 1610), (1255, 1288)]