71389470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 180195840

約数和(自身を除く): 108806370

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 157, 230, 314, 345, 471, 659, 690, 785, 942, 1318, 1570, 1977, 2355, 3295, 3611, 3954, 4710, 6590, 7222, 9885, 10833, 15157, 18055, 19770, 21666, 30314, 36110, 45471, 54165, 75785, 90942, 103463, 108330, 151570, 206926, 227355, 310389, 454710, 517315, 620778, 1034630, 1551945, 2379649, 3103890, 4759298, 7138947, 11898245, 14277894, 23796490, 35694735, 71389470]

約数ペア:

[(1, 71389470), (2, 35694735), (3, 23796490), (5, 14277894), (6, 11898245), (10, 7138947), (15, 4759298), (23, 3103890), (30, 2379649), (46, 1551945), (69, 1034630), (115, 620778), (138, 517315), (157, 454710), (230, 310389), (314, 227355), (345, 206926), (471, 151570), (659, 108330), (690, 103463), (785, 90942), (942, 75785), (1318, 54165), (1570, 45471), (1977, 36110), (2355, 30314), (3295, 21666), (3611, 19770), (3954, 18055), (4710, 15157), (6590, 10833), (7222, 9885)]