767673540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21649}}^1$

素因数の和:21861

約数の個数: 72

約数和(自身を含む): 2340538200

約数和(自身を除く): 1572864660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 17730, 21649, 35460, 43298, 64947, 86596, 108245, 129894, 194841, 216490, 259788, 324735, 389682, 432980, 649470, 779364, 974205, 1298940, 1948410, 3896820, 4264853, 8529706, 12794559, 17059412, 21324265, 25589118, 38383677, 42648530, 51178236, 63972795, 76767354, 85297060, 127945590, 153534708, 191918385, 255891180, 383836770, 767673540]

約数ペア:

[(1, 767673540), (2, 383836770), (3, 255891180), (4, 191918385), (5, 153534708), (6, 127945590), (9, 85297060), (10, 76767354), (12, 63972795), (15, 51178236), (18, 42648530), (20, 38383677), (30, 25589118), (36, 21324265), (45, 17059412), (60, 12794559), (90, 8529706), (180, 4264853), (197, 3896820), (394, 1948410), (591, 1298940), (788, 974205), (985, 779364), (1182, 649470), (1773, 432980), (1970, 389682), (2364, 324735), (2955, 259788), (3546, 216490), (3940, 194841), (5910, 129894), (7092, 108245), (8865, 86596), (11820, 64947), (17730, 43298), (21649, 35460)]