1218540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 3564288

約数和(自身を除く): 2345748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 883, 1380, 1766, 2649, 3532, 4415, 5298, 8830, 10596, 13245, 17660, 20309, 26490, 40618, 52980, 60927, 81236, 101545, 121854, 203090, 243708, 304635, 406180, 609270, 1218540]

約数ペア:

[(1, 1218540), (2, 609270), (3, 406180), (4, 304635), (5, 243708), (6, 203090), (10, 121854), (12, 101545), (15, 81236), (20, 60927), (23, 52980), (30, 40618), (46, 26490), (60, 20309), (69, 17660), (92, 13245), (115, 10596), (138, 8830), (230, 5298), (276, 4415), (345, 3532), (460, 2649), (690, 1766), (883, 1380)]