56571720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 179712000

約数和(自身を除く): 123140280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 103, 115, 120, 138, 184, 199, 206, 230, 276, 309, 345, 398, 412, 460, 515, 552, 597, 618, 690, 796, 824, 920, 995, 1030, 1194, 1236, 1380, 1545, 1592, 1990, 2060, 2369, 2388, 2472, 2760, 2985, 3090, 3980, 4120, 4577, 4738, 4776, 5970, 6180, 7107, 7960, 9154, 9476, 11845, 11940, 12360, 13731, 14214, 18308, 18952, 20497, 22885, 23690, 23880, 27462, 28428, 35535, 36616, 40994, 45770, 47380, 54924, 56856, 61491, 68655, 71070, 81988, 91540, 94760, 102485, 109848, 122982, 137310, 142140, 163976, 183080, 204970, 245964, 274620, 284280, 307455, 409940, 471431, 491928, 549240, 614910, 819880, 942862, 1229820, 1414293, 1885724, 2357155, 2459640, 2828586, 3771448, 4714310, 5657172, 7071465, 9428620, 11314344, 14142930, 18857240, 28285860, 56571720]

約数ペア:

[(1, 56571720), (2, 28285860), (3, 18857240), (4, 14142930), (5, 11314344), (6, 9428620), (8, 7071465), (10, 5657172), (12, 4714310), (15, 3771448), (20, 2828586), (23, 2459640), (24, 2357155), (30, 1885724), (40, 1414293), (46, 1229820), (60, 942862), (69, 819880), (92, 614910), (103, 549240), (115, 491928), (120, 471431), (138, 409940), (184, 307455), (199, 284280), (206, 274620), (230, 245964), (276, 204970), (309, 183080), (345, 163976), (398, 142140), (412, 137310), (460, 122982), (515, 109848), (552, 102485), (597, 94760), (618, 91540), (690, 81988), (796, 71070), (824, 68655), (920, 61491), (995, 56856), (1030, 54924), (1194, 47380), (1236, 45770), (1380, 40994), (1545, 36616), (1592, 35535), (1990, 28428), (2060, 27462), (2369, 23880), (2388, 23690), (2472, 22885), (2760, 20497), (2985, 18952), (3090, 18308), (3980, 14214), (4120, 13731), (4577, 12360), (4738, 11940), (4776, 11845), (5970, 9476), (6180, 9154), (7107, 7960)]