188445780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 593296704

約数和(自身を除く): 404850924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 97, 129, 172, 180, 194, 215, 251, 258, 291, 387, 388, 430, 485, 502, 516, 582, 645, 753, 774, 860, 873, 970, 1004, 1164, 1255, 1290, 1455, 1506, 1548, 1746, 1935, 1940, 2259, 2510, 2580, 2910, 3012, 3492, 3765, 3870, 4171, 4365, 4518, 5020, 5820, 7530, 7740, 8342, 8730, 9036, 10793, 11295, 12513, 15060, 16684, 17460, 20855, 21586, 22590, 24347, 25026, 32379, 37539, 41710, 43172, 45180, 48694, 50052, 53965, 62565, 64758, 73041, 75078, 83420, 97137, 97388, 107930, 121735, 125130, 129516, 146082, 150156, 161895, 187695, 194274, 215860, 219123, 243470, 250260, 292164, 323790, 365205, 375390, 388548, 438246, 485685, 486940, 647580, 730410, 750780, 876492, 971370, 1046921, 1095615, 1460820, 1942740, 2093842, 2191230, 3140763, 4187684, 4382460, 5234605, 6281526, 9422289, 10469210, 12563052, 15703815, 18844578, 20938420, 31407630, 37689156, 47111445, 62815260, 94222890, 188445780]

約数ペア:

[(1, 188445780), (2, 94222890), (3, 62815260), (4, 47111445), (5, 37689156), (6, 31407630), (9, 20938420), (10, 18844578), (12, 15703815), (15, 12563052), (18, 10469210), (20, 9422289), (30, 6281526), (36, 5234605), (43, 4382460), (45, 4187684), (60, 3140763), (86, 2191230), (90, 2093842), (97, 1942740), (129, 1460820), (172, 1095615), (180, 1046921), (194, 971370), (215, 876492), (251, 750780), (258, 730410), (291, 647580), (387, 486940), (388, 485685), (430, 438246), (485, 388548), (502, 375390), (516, 365205), (582, 323790), (645, 292164), (753, 250260), (774, 243470), (860, 219123), (873, 215860), (970, 194274), (1004, 187695), (1164, 161895), (1255, 150156), (1290, 146082), (1455, 129516), (1506, 125130), (1548, 121735), (1746, 107930), (1935, 97388), (1940, 97137), (2259, 83420), (2510, 75078), (2580, 73041), (2910, 64758), (3012, 62565), (3492, 53965), (3765, 50052), (3870, 48694), (4171, 45180), (4365, 43172), (4518, 41710), (5020, 37539), (5820, 32379), (7530, 25026), (7740, 24347), (8342, 22590), (8730, 21586), (9036, 20855), (10793, 17460), (11295, 16684), (12513, 15060)]