678804720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257123}}^1$

素因数の和:257150

約数の個数: 80

約数和(自身を含む): 2295603072

約数和(自身を除く): 1616798352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 257123, 514246, 771369, 1028492, 1285615, 1542738, 2056984, 2571230, 2828353, 3085476, 3856845, 4113968, 5142460, 5656706, 6170952, 7713690, 8485059, 10284920, 11313412, 12341904, 14141765, 15427380, 16970118, 20569840, 22626824, 28283530, 30854760, 33940236, 42425295, 45253648, 56567060, 61709520, 67880472, 84850590, 113134120, 135760944, 169701180, 226268240, 339402360, 678804720]

約数ペア:

[(1, 678804720), (2, 339402360), (3, 226268240), (4, 169701180), (5, 135760944), (6, 113134120), (8, 84850590), (10, 67880472), (11, 61709520), (12, 56567060), (15, 45253648), (16, 42425295), (20, 33940236), (22, 30854760), (24, 28283530), (30, 22626824), (33, 20569840), (40, 16970118), (44, 15427380), (48, 14141765), (55, 12341904), (60, 11313412), (66, 10284920), (80, 8485059), (88, 7713690), (110, 6170952), (120, 5656706), (132, 5142460), (165, 4113968), (176, 3856845), (220, 3085476), (240, 2828353), (264, 2571230), (330, 2056984), (440, 1542738), (528, 1285615), (660, 1028492), (880, 771369), (1320, 514246), (2640, 257123)]