81245880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225683}}^1$

素因数の和:225700

約数の個数: 48

約数和(自身を含む): 264050280

約数和(自身を除く): 182804400

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, 225683, 451366, 677049, 902732, 1128415, 1354098, 1805464, 2031147, 2256830, 2708196, 3385245, 4062294, 4513660, 5416392, 6770490, 8124588, 9027320, 10155735, 13540980, 16249176, 20311470, 27081960, 40622940, 81245880]

約数ペア:

[(1, 81245880), (2, 40622940), (3, 27081960), (4, 20311470), (5, 16249176), (6, 13540980), (8, 10155735), (9, 9027320), (10, 8124588), (12, 6770490), (15, 5416392), (18, 4513660), (20, 4062294), (24, 3385245), (30, 2708196), (36, 2256830), (40, 2031147), (45, 1805464), (60, 1354098), (72, 1128415), (90, 902732), (120, 677049), (180, 451366), (360, 225683)]