17960220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 55023696

約数和(自身を除く): 37063476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 883, 1017, 1130, 1356, 1695, 1766, 2034, 2260, 2649, 3390, 3532, 4068, 4415, 5085, 5298, 6780, 7947, 8830, 10170, 10596, 13245, 15894, 17660, 20340, 26490, 31788, 39735, 52980, 79470, 99779, 158940, 199558, 299337, 399116, 498895, 598674, 898011, 997790, 1197348, 1496685, 1796022, 1995580, 2993370, 3592044, 4490055, 5986740, 8980110, 17960220]

約数ペア:

[(1, 17960220), (2, 8980110), (3, 5986740), (4, 4490055), (5, 3592044), (6, 2993370), (9, 1995580), (10, 1796022), (12, 1496685), (15, 1197348), (18, 997790), (20, 898011), (30, 598674), (36, 498895), (45, 399116), (60, 299337), (90, 199558), (113, 158940), (180, 99779), (226, 79470), (339, 52980), (452, 39735), (565, 31788), (678, 26490), (883, 20340), (1017, 17660), (1130, 15894), (1356, 13245), (1695, 10596), (1766, 10170), (2034, 8830), (2260, 7947), (2649, 6780), (3390, 5298), (3532, 5085), (4068, 4415)]