320047520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1198

約数の個数: 96

約数和(自身を含む): 820471680

約数和(自身を除く): 500424160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 151, 160, 208, 260, 302, 416, 520, 604, 755, 1019, 1040, 1208, 1510, 1963, 2038, 2080, 2416, 3020, 3926, 4076, 4832, 5095, 6040, 7852, 8152, 9815, 10190, 12080, 13247, 15704, 16304, 19630, 20380, 24160, 26494, 31408, 32608, 39260, 40760, 52988, 62816, 66235, 78520, 81520, 105976, 132470, 153869, 157040, 163040, 211952, 264940, 307738, 314080, 423904, 529880, 615476, 769345, 1059760, 1230952, 1538690, 2000297, 2119520, 2461904, 3077380, 4000594, 4923808, 6154760, 8001188, 10001485, 12309520, 16002376, 20002970, 24619040, 32004752, 40005940, 64009504, 80011880, 160023760, 320047520]

約数ペア:

[(1, 320047520), (2, 160023760), (4, 80011880), (5, 64009504), (8, 40005940), (10, 32004752), (13, 24619040), (16, 20002970), (20, 16002376), (26, 12309520), (32, 10001485), (40, 8001188), (52, 6154760), (65, 4923808), (80, 4000594), (104, 3077380), (130, 2461904), (151, 2119520), (160, 2000297), (208, 1538690), (260, 1230952), (302, 1059760), (416, 769345), (520, 615476), (604, 529880), (755, 423904), (1019, 314080), (1040, 307738), (1208, 264940), (1510, 211952), (1963, 163040), (2038, 157040), (2080, 153869), (2416, 132470), (3020, 105976), (3926, 81520), (4076, 78520), (4832, 66235), (5095, 62816), (6040, 52988), (7852, 40760), (8152, 39260), (9815, 32608), (10190, 31408), (12080, 26494), (13247, 24160), (15704, 20380), (16304, 19630)]