399228720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1683

約数の個数: 160

約数和(自身を含む): 1364912640

約数和(自身を除く): 965683920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 97, 110, 120, 132, 165, 176, 194, 220, 240, 264, 291, 330, 388, 440, 485, 528, 582, 660, 776, 880, 970, 1067, 1164, 1320, 1455, 1552, 1559, 1940, 2134, 2328, 2640, 2910, 3118, 3201, 3880, 4268, 4656, 4677, 5335, 5820, 6236, 6402, 7760, 7795, 8536, 9354, 10670, 11640, 12472, 12804, 15590, 16005, 17072, 17149, 18708, 21340, 23280, 23385, 24944, 25608, 31180, 32010, 34298, 37416, 42680, 46770, 51216, 51447, 62360, 64020, 68596, 74832, 85360, 85745, 93540, 102894, 124720, 128040, 137192, 151223, 171490, 187080, 205788, 256080, 257235, 274384, 302446, 342980, 374160, 411576, 453669, 514470, 604892, 685960, 756115, 823152, 907338, 1028940, 1209784, 1371920, 1512230, 1663453, 1814676, 2057880, 2268345, 2419568, 3024460, 3326906, 3629352, 4115760, 4536690, 4990359, 6048920, 6653812, 7258704, 8317265, 9073380, 9980718, 12097840, 13307624, 16634530, 18146760, 19961436, 24951795, 26615248, 33269060, 36293520, 39922872, 49903590, 66538120, 79845744, 99807180, 133076240, 199614360, 399228720]

約数ペア:

[(1, 399228720), (2, 199614360), (3, 133076240), (4, 99807180), (5, 79845744), (6, 66538120), (8, 49903590), (10, 39922872), (11, 36293520), (12, 33269060), (15, 26615248), (16, 24951795), (20, 19961436), (22, 18146760), (24, 16634530), (30, 13307624), (33, 12097840), (40, 9980718), (44, 9073380), (48, 8317265), (55, 7258704), (60, 6653812), (66, 6048920), (80, 4990359), (88, 4536690), (97, 4115760), (110, 3629352), (120, 3326906), (132, 3024460), (165, 2419568), (176, 2268345), (194, 2057880), (220, 1814676), (240, 1663453), (264, 1512230), (291, 1371920), (330, 1209784), (388, 1028940), (440, 907338), (485, 823152), (528, 756115), (582, 685960), (660, 604892), (776, 514470), (880, 453669), (970, 411576), (1067, 374160), (1164, 342980), (1320, 302446), (1455, 274384), (1552, 257235), (1559, 256080), (1940, 205788), (2134, 187080), (2328, 171490), (2640, 151223), (2910, 137192), (3118, 128040), (3201, 124720), (3880, 102894), (4268, 93540), (4656, 85745), (4677, 85360), (5335, 74832), (5820, 68596), (6236, 64020), (6402, 62360), (7760, 51447), (7795, 51216), (8536, 46770), (9354, 42680), (10670, 37416), (11640, 34298), (12472, 32010), (12804, 31180), (15590, 25608), (16005, 24944), (17072, 23385), (17149, 23280), (18708, 21340)]