61755680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{7877}}^1$

素因数の和:7906

約数の個数: 72

約数和(自身を含む): 169739388

約数和(自身を除く): 107983708

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 7877, 15754, 31508, 39385, 55139, 63016, 78770, 110278, 126032, 157540, 220556, 252064, 275695, 315080, 385973, 441112, 551390, 630160, 771946, 882224, 1102780, 1260320, 1543892, 1764448, 1929865, 2205560, 3087784, 3859730, 4411120, 6175568, 7719460, 8822240, 12351136, 15438920, 30877840, 61755680]

約数ペア:

[(1, 61755680), (2, 30877840), (4, 15438920), (5, 12351136), (7, 8822240), (8, 7719460), (10, 6175568), (14, 4411120), (16, 3859730), (20, 3087784), (28, 2205560), (32, 1929865), (35, 1764448), (40, 1543892), (49, 1260320), (56, 1102780), (70, 882224), (80, 771946), (98, 630160), (112, 551390), (140, 441112), (160, 385973), (196, 315080), (224, 275695), (245, 252064), (280, 220556), (392, 157540), (490, 126032), (560, 110278), (784, 78770), (980, 63016), (1120, 55139), (1568, 39385), (1960, 31508), (3920, 15754), (7840, 7877)]