1855692240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249421}}^1$

素因数の和:249468

約数の個数: 80

約数和(自身を含む): 5938238976

約数和(自身を除く): 4082546736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 249421, 498842, 748263, 997684, 1247105, 1496526, 1995368, 2494210, 2993052, 3741315, 3990736, 4988420, 5986104, 7482630, 7732051, 9976840, 11972208, 14965260, 15464102, 19953680, 23196153, 29930520, 30928204, 38660255, 46392306, 59861040, 61856408, 77320510, 92784612, 115980765, 123712816, 154641020, 185569224, 231961530, 309282040, 371138448, 463923060, 618564080, 927846120, 1855692240]

約数ペア:

[(1, 1855692240), (2, 927846120), (3, 618564080), (4, 463923060), (5, 371138448), (6, 309282040), (8, 231961530), (10, 185569224), (12, 154641020), (15, 123712816), (16, 115980765), (20, 92784612), (24, 77320510), (30, 61856408), (31, 59861040), (40, 46392306), (48, 38660255), (60, 30928204), (62, 29930520), (80, 23196153), (93, 19953680), (120, 15464102), (124, 14965260), (155, 11972208), (186, 9976840), (240, 7732051), (248, 7482630), (310, 5986104), (372, 4988420), (465, 3990736), (496, 3741315), (620, 2993052), (744, 2494210), (930, 1995368), (1240, 1496526), (1488, 1247105), (1860, 997684), (2480, 748263), (3720, 498842), (7440, 249421)]