251659560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4799}}^1$

素因数の和:4855

約数の個数: 128

約数和(自身を含む): 829440000

約数和(自身を除く): 577780440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 4799, 5244, 6555, 8740, 9598, 10488, 13110, 14397, 17480, 19196, 23995, 26220, 28794, 38392, 47990, 52440, 57588, 71985, 91181, 95980, 110377, 115176, 143970, 182362, 191960, 220754, 273543, 287940, 331131, 364724, 441508, 455905, 547086, 551885, 575880, 662262, 729448, 883016, 911810, 1094172, 1103770, 1324524, 1367715, 1655655, 1823620, 2097163, 2188344, 2207540, 2649048, 2735430, 3311310, 3647240, 4194326, 4415080, 5470860, 6291489, 6622620, 8388652, 10485815, 10941720, 12582978, 13245240, 16777304, 20971630, 25165956, 31457445, 41943260, 50331912, 62914890, 83886520, 125829780, 251659560]

約数ペア:

[(1, 251659560), (2, 125829780), (3, 83886520), (4, 62914890), (5, 50331912), (6, 41943260), (8, 31457445), (10, 25165956), (12, 20971630), (15, 16777304), (19, 13245240), (20, 12582978), (23, 10941720), (24, 10485815), (30, 8388652), (38, 6622620), (40, 6291489), (46, 5470860), (57, 4415080), (60, 4194326), (69, 3647240), (76, 3311310), (92, 2735430), (95, 2649048), (114, 2207540), (115, 2188344), (120, 2097163), (138, 1823620), (152, 1655655), (184, 1367715), (190, 1324524), (228, 1103770), (230, 1094172), (276, 911810), (285, 883016), (345, 729448), (380, 662262), (437, 575880), (456, 551885), (460, 547086), (552, 455905), (570, 441508), (690, 364724), (760, 331131), (874, 287940), (920, 273543), (1140, 220754), (1311, 191960), (1380, 182362), (1748, 143970), (2185, 115176), (2280, 110377), (2622, 95980), (2760, 91181), (3496, 71985), (4370, 57588), (4799, 52440), (5244, 47990), (6555, 38392), (8740, 28794), (9598, 26220), (10488, 23995), (13110, 19196), (14397, 17480)]