680784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 1895712

約数和(自身を除く): 1214928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1091, 2182, 3273, 4364, 6546, 8728, 13092, 14183, 17456, 26184, 28366, 42549, 52368, 56732, 85098, 113464, 170196, 226928, 340392, 680784]

約数ペア:

[(1, 680784), (2, 340392), (3, 226928), (4, 170196), (6, 113464), (8, 85098), (12, 56732), (13, 52368), (16, 42549), (24, 28366), (26, 26184), (39, 17456), (48, 14183), (52, 13092), (78, 8728), (104, 6546), (156, 4364), (208, 3273), (312, 2182), (624, 1091)]