380052660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487247}}^1$

素因数の和:487272

約数の個数: 48

約数和(自身を含む): 1146007296

約数和(自身を除く): 765954636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 487247, 974494, 1461741, 1948988, 2436235, 2923482, 4872470, 5846964, 6334211, 7308705, 9744940, 12668422, 14617410, 19002633, 25336844, 29234820, 31671055, 38005266, 63342110, 76010532, 95013165, 126684220, 190026330, 380052660]

約数ペア:

[(1, 380052660), (2, 190026330), (3, 126684220), (4, 95013165), (5, 76010532), (6, 63342110), (10, 38005266), (12, 31671055), (13, 29234820), (15, 25336844), (20, 19002633), (26, 14617410), (30, 12668422), (39, 9744940), (52, 7308705), (60, 6334211), (65, 5846964), (78, 4872470), (130, 2923482), (156, 2436235), (195, 1948988), (260, 1461741), (390, 974494), (780, 487247)]