69528920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 162518400

約数和(自身を除く): 92989480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 431, 436, 545, 740, 862, 872, 1090, 1480, 1724, 2155, 2180, 3448, 4033, 4310, 4360, 8066, 8620, 15947, 16132, 17240, 20165, 31894, 32264, 40330, 46979, 63788, 79735, 80660, 93958, 127576, 159470, 161320, 187916, 234895, 318940, 375832, 469790, 637880, 939580, 1738223, 1879160, 3476446, 6952892, 8691115, 13905784, 17382230, 34764460, 69528920]

約数ペア:

[(1, 69528920), (2, 34764460), (4, 17382230), (5, 13905784), (8, 8691115), (10, 6952892), (20, 3476446), (37, 1879160), (40, 1738223), (74, 939580), (109, 637880), (148, 469790), (185, 375832), (218, 318940), (296, 234895), (370, 187916), (431, 161320), (436, 159470), (545, 127576), (740, 93958), (862, 80660), (872, 79735), (1090, 63788), (1480, 46979), (1724, 40330), (2155, 32264), (2180, 31894), (3448, 20165), (4033, 17240), (4310, 16132), (4360, 15947), (8066, 8620)]