15218380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 33346656

約数和(自身を除く): 18128276

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 277, 335, 410, 554, 670, 820, 1108, 1340, 1385, 2747, 2770, 5494, 5540, 10988, 11357, 13735, 18559, 22714, 27470, 37118, 45428, 54940, 56785, 74236, 92795, 113570, 185590, 227140, 371180, 760919, 1521838, 3043676, 3804595, 7609190, 15218380]

約数ペア:

[(1, 15218380), (2, 7609190), (4, 3804595), (5, 3043676), (10, 1521838), (20, 760919), (41, 371180), (67, 227140), (82, 185590), (134, 113570), (164, 92795), (205, 74236), (268, 56785), (277, 54940), (335, 45428), (410, 37118), (554, 27470), (670, 22714), (820, 18559), (1108, 13735), (1340, 11357), (1385, 10988), (2747, 5540), (2770, 5494)]