56488140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 183456000

約数和(自身を除く): 126967860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 199, 228, 249, 285, 332, 342, 380, 398, 415, 498, 570, 597, 684, 747, 796, 830, 855, 995, 996, 1140, 1194, 1245, 1494, 1577, 1660, 1710, 1791, 1990, 2388, 2490, 2985, 2988, 3154, 3420, 3582, 3735, 3781, 3980, 4731, 4980, 5970, 6308, 7164, 7470, 7562, 7885, 8955, 9462, 11343, 11940, 14193, 14940, 15124, 15770, 16517, 17910, 18905, 18924, 22686, 23655, 28386, 31540, 33034, 34029, 35820, 37810, 45372, 47310, 49551, 56715, 56772, 66068, 68058, 70965, 75620, 82585, 94620, 99102, 113430, 136116, 141930, 148653, 165170, 170145, 198204, 226860, 247755, 283860, 297306, 313823, 330340, 340290, 495510, 594612, 627646, 680580, 743265, 941469, 991020, 1255292, 1486530, 1569115, 1882938, 2824407, 2973060, 3138230, 3765876, 4707345, 5648814, 6276460, 9414690, 11297628, 14122035, 18829380, 28244070, 56488140]

約数ペア:

[(1, 56488140), (2, 28244070), (3, 18829380), (4, 14122035), (5, 11297628), (6, 9414690), (9, 6276460), (10, 5648814), (12, 4707345), (15, 3765876), (18, 3138230), (19, 2973060), (20, 2824407), (30, 1882938), (36, 1569115), (38, 1486530), (45, 1255292), (57, 991020), (60, 941469), (76, 743265), (83, 680580), (90, 627646), (95, 594612), (114, 495510), (166, 340290), (171, 330340), (180, 313823), (190, 297306), (199, 283860), (228, 247755), (249, 226860), (285, 198204), (332, 170145), (342, 165170), (380, 148653), (398, 141930), (415, 136116), (498, 113430), (570, 99102), (597, 94620), (684, 82585), (747, 75620), (796, 70965), (830, 68058), (855, 66068), (995, 56772), (996, 56715), (1140, 49551), (1194, 47310), (1245, 45372), (1494, 37810), (1577, 35820), (1660, 34029), (1710, 33034), (1791, 31540), (1990, 28386), (2388, 23655), (2490, 22686), (2985, 18924), (2988, 18905), (3154, 17910), (3420, 16517), (3582, 15770), (3735, 15124), (3781, 14940), (3980, 14193), (4731, 11940), (4980, 11343), (5970, 9462), (6308, 8955), (7164, 7885), (7470, 7562)]