80684460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19489}}^1$

素因数の和:19527

約数の個数: 72

約数和(自身を含む): 255396960

約数和(自身を除く): 174712500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19489, 38978, 58467, 77956, 97445, 116934, 175401, 194890, 233868, 292335, 350802, 389780, 448247, 584670, 701604, 877005, 896494, 1169340, 1344741, 1754010, 1792988, 2241235, 2689482, 3508020, 4034223, 4482470, 5378964, 6723705, 8068446, 8964940, 13447410, 16136892, 20171115, 26894820, 40342230, 80684460]

約数ペア:

[(1, 80684460), (2, 40342230), (3, 26894820), (4, 20171115), (5, 16136892), (6, 13447410), (9, 8964940), (10, 8068446), (12, 6723705), (15, 5378964), (18, 4482470), (20, 4034223), (23, 3508020), (30, 2689482), (36, 2241235), (45, 1792988), (46, 1754010), (60, 1344741), (69, 1169340), (90, 896494), (92, 877005), (115, 701604), (138, 584670), (180, 448247), (207, 389780), (230, 350802), (276, 292335), (345, 233868), (414, 194890), (460, 175401), (690, 116934), (828, 97445), (1035, 77956), (1380, 58467), (2070, 38978), (4140, 19489)]