64947180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8263}}^1$

素因数の和:8406

約数の個数: 48

約数和(自身を含む): 183262464

約数和(自身を除く): 118315284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 8263, 16526, 24789, 33052, 41315, 49578, 82630, 99156, 123945, 165260, 247890, 495780, 1082453, 2164906, 3247359, 4329812, 5412265, 6494718, 10824530, 12989436, 16236795, 21649060, 32473590, 64947180]

約数ペア:

[(1, 64947180), (2, 32473590), (3, 21649060), (4, 16236795), (5, 12989436), (6, 10824530), (10, 6494718), (12, 5412265), (15, 4329812), (20, 3247359), (30, 2164906), (60, 1082453), (131, 495780), (262, 247890), (393, 165260), (524, 123945), (655, 99156), (786, 82630), (1310, 49578), (1572, 41315), (1965, 33052), (2620, 24789), (3930, 16526), (7860, 8263)]