638370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 1710072

約数和(自身を除く): 1071702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 173, 205, 246, 346, 369, 410, 519, 615, 738, 865, 1038, 1230, 1557, 1730, 1845, 2595, 3114, 3690, 5190, 7093, 7785, 14186, 15570, 21279, 35465, 42558, 63837, 70930, 106395, 127674, 212790, 319185, 638370]

約数ペア:

[(1, 638370), (2, 319185), (3, 212790), (5, 127674), (6, 106395), (9, 70930), (10, 63837), (15, 42558), (18, 35465), (30, 21279), (41, 15570), (45, 14186), (82, 7785), (90, 7093), (123, 5190), (173, 3690), (205, 3114), (246, 2595), (346, 1845), (369, 1730), (410, 1557), (519, 1230), (615, 1038), (738, 865)]