256599120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1129}}^1$

素因数の和:2092

約数の個数: 80

約数和(自身を含む): 797002560

約数和(自身を除く): 540403440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 947, 1129, 1894, 2258, 2841, 3387, 3788, 4516, 4735, 5645, 5682, 6774, 7576, 9032, 9470, 11290, 11364, 13548, 14205, 15152, 16935, 18064, 18940, 22580, 22728, 27096, 28410, 33870, 37880, 45160, 45456, 54192, 56820, 67740, 75760, 90320, 113640, 135480, 227280, 270960, 1069163, 2138326, 3207489, 4276652, 5345815, 6414978, 8553304, 10691630, 12829956, 16037445, 17106608, 21383260, 25659912, 32074890, 42766520, 51319824, 64149780, 85533040, 128299560, 256599120]

約数ペア:

[(1, 256599120), (2, 128299560), (3, 85533040), (4, 64149780), (5, 51319824), (6, 42766520), (8, 32074890), (10, 25659912), (12, 21383260), (15, 17106608), (16, 16037445), (20, 12829956), (24, 10691630), (30, 8553304), (40, 6414978), (48, 5345815), (60, 4276652), (80, 3207489), (120, 2138326), (240, 1069163), (947, 270960), (1129, 227280), (1894, 135480), (2258, 113640), (2841, 90320), (3387, 75760), (3788, 67740), (4516, 56820), (4735, 54192), (5645, 45456), (5682, 45160), (6774, 37880), (7576, 33870), (9032, 28410), (9470, 27096), (11290, 22728), (11364, 22580), (13548, 18940), (14205, 18064), (15152, 16935)]