138693960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385261}}^1$

素因数の和:385278

約数の個数: 48

約数和(自身を含む): 450756540

約数和(自身を除く): 312062580

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, 385261, 770522, 1155783, 1541044, 1926305, 2311566, 3082088, 3467349, 3852610, 4623132, 5778915, 6934698, 7705220, 9246264, 11557830, 13869396, 15410440, 17336745, 23115660, 27738792, 34673490, 46231320, 69346980, 138693960]

約数ペア:

[(1, 138693960), (2, 69346980), (3, 46231320), (4, 34673490), (5, 27738792), (6, 23115660), (8, 17336745), (9, 15410440), (10, 13869396), (12, 11557830), (15, 9246264), (18, 7705220), (20, 6934698), (24, 5778915), (30, 4623132), (36, 3852610), (40, 3467349), (45, 3082088), (60, 2311566), (72, 1926305), (90, 1541044), (120, 1155783), (180, 770522), (360, 385261)]