138808440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385579}}^1$

素因数の和:385596

約数の個数: 48

約数和(自身を含む): 451128600

約数和(自身を除く): 312320160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385579, 771158, 1156737, 1542316, 1927895, 2313474, 3084632, 3470211, 3855790, 4626948, 5783685, 6940422, 7711580, 9253896, 11567370, 13880844, 15423160, 17351055, 23134740, 27761688, 34702110, 46269480, 69404220, 138808440]

約数ペア:

[(1, 138808440), (2, 69404220), (3, 46269480), (4, 34702110), (5, 27761688), (6, 23134740), (8, 17351055), (9, 15423160), (10, 13880844), (12, 11567370), (15, 9253896), (18, 7711580), (20, 6940422), (24, 5783685), (30, 4626948), (36, 3855790), (40, 3470211), (45, 3084632), (60, 2313474), (72, 1927895), (90, 1542316), (120, 1156737), (180, 771158), (360, 385579)]