138923280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192949}}^1$

素因数の和:192968

約数の個数: 60

約数和(自身を含む): 466553100

約数和(自身を除く): 327629820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192949, 385898, 578847, 771796, 964745, 1157694, 1543592, 1736541, 1929490, 2315388, 2894235, 3087184, 3473082, 3858980, 4630776, 5788470, 6946164, 7717960, 8682705, 9261552, 11576940, 13892328, 15435920, 17365410, 23153880, 27784656, 34730820, 46307760, 69461640, 138923280]

約数ペア:

[(1, 138923280), (2, 69461640), (3, 46307760), (4, 34730820), (5, 27784656), (6, 23153880), (8, 17365410), (9, 15435920), (10, 13892328), (12, 11576940), (15, 9261552), (16, 8682705), (18, 7717960), (20, 6946164), (24, 5788470), (30, 4630776), (36, 3858980), (40, 3473082), (45, 3087184), (48, 2894235), (60, 2315388), (72, 1929490), (80, 1736541), (90, 1543592), (120, 1157694), (144, 964745), (180, 771796), (240, 578847), (360, 385898), (720, 192949)]