77561008

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 102427472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 89, 112, 124, 178, 217, 248, 251, 356, 434, 496, 502, 623, 712, 868, 1004, 1246, 1424, 1736, 1757, 2008, 2492, 2759, 3472, 3514, 4016, 4984, 5518, 7028, 7781, 9968, 11036, 14056, 15562, 19313, 22072, 22339, 28112, 31124, 38626, 44144, 44678, 54467, 62248, 77252, 89356, 108934, 124496, 154504, 156373, 178712, 217868, 309008, 312746, 357424, 435736, 625492, 692509, 871472, 1250984, 1385018, 2501968, 2770036, 4847563, 5540072, 9695126, 11080144, 19390252, 38780504, 77561008]

約数ペア:

[(1, 77561008), (2, 38780504), (4, 19390252), (7, 11080144), (8, 9695126), (14, 5540072), (16, 4847563), (28, 2770036), (31, 2501968), (56, 1385018), (62, 1250984), (89, 871472), (112, 692509), (124, 625492), (178, 435736), (217, 357424), (248, 312746), (251, 309008), (356, 217868), (434, 178712), (496, 156373), (502, 154504), (623, 124496), (712, 108934), (868, 89356), (1004, 77252), (1246, 62248), (1424, 54467), (1736, 44678), (1757, 44144), (2008, 38626), (2492, 31124), (2759, 28112), (3472, 22339), (3514, 22072), (4016, 19313), (4984, 15562), (5518, 14056), (7028, 11036), (7781, 9968)]