642628656

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:715

約数の個数: 120

約数和(自身を含む): 1843966800

約数和(自身を除く): 1201338144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 149, 183, 244, 298, 366, 447, 488, 491, 549, 596, 732, 894, 976, 982, 1098, 1192, 1341, 1464, 1473, 1788, 1964, 2196, 2384, 2682, 2928, 2946, 3576, 3928, 4392, 4419, 5364, 5892, 7152, 7856, 8784, 8838, 9089, 10728, 11784, 17676, 18178, 21456, 23568, 27267, 29951, 35352, 36356, 54534, 59902, 70704, 72712, 73159, 81801, 89853, 109068, 119804, 145424, 146318, 163602, 179706, 218136, 219477, 239608, 269559, 292636, 327204, 359412, 436272, 438954, 479216, 539118, 585272, 654408, 658431, 718824, 877908, 1078236, 1170544, 1308816, 1316862, 1437648, 1755816, 2156472, 2633724, 3511632, 4312944, 4462699, 5267448, 8925398, 10534896, 13388097, 17850796, 26776194, 35701592, 40164291, 53552388, 71403184, 80328582, 107104776, 160657164, 214209552, 321314328, 642628656]

約数ペア:

[(1, 642628656), (2, 321314328), (3, 214209552), (4, 160657164), (6, 107104776), (8, 80328582), (9, 71403184), (12, 53552388), (16, 40164291), (18, 35701592), (24, 26776194), (36, 17850796), (48, 13388097), (61, 10534896), (72, 8925398), (122, 5267448), (144, 4462699), (149, 4312944), (183, 3511632), (244, 2633724), (298, 2156472), (366, 1755816), (447, 1437648), (488, 1316862), (491, 1308816), (549, 1170544), (596, 1078236), (732, 877908), (894, 718824), (976, 658431), (982, 654408), (1098, 585272), (1192, 539118), (1341, 479216), (1464, 438954), (1473, 436272), (1788, 359412), (1964, 327204), (2196, 292636), (2384, 269559), (2682, 239608), (2928, 219477), (2946, 218136), (3576, 179706), (3928, 163602), (4392, 146318), (4419, 145424), (5364, 119804), (5892, 109068), (7152, 89853), (7856, 81801), (8784, 73159), (8838, 72712), (9089, 70704), (10728, 59902), (11784, 54534), (17676, 36356), (18178, 35352), (21456, 29951), (23568, 27267)]