78321960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217561}}^1$

素因数の和:217578

約数の個数: 48

約数和(自身を含む): 254547540

約数和(自身を除く): 176225580

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, 217561, 435122, 652683, 870244, 1087805, 1305366, 1740488, 1958049, 2175610, 2610732, 3263415, 3916098, 4351220, 5221464, 6526830, 7832196, 8702440, 9790245, 13053660, 15664392, 19580490, 26107320, 39160980, 78321960]

約数ペア:

[(1, 78321960), (2, 39160980), (3, 26107320), (4, 19580490), (5, 15664392), (6, 13053660), (8, 9790245), (9, 8702440), (10, 7832196), (12, 6526830), (15, 5221464), (18, 4351220), (20, 3916098), (24, 3263415), (30, 2610732), (36, 2175610), (40, 1958049), (45, 1740488), (60, 1305366), (72, 1087805), (90, 870244), (120, 652683), (180, 435122), (360, 217561)]