81239400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 300690390

約数和(自身を除く): 219450990

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 121, 132, 150, 165, 180, 198, 200, 220, 225, 242, 264, 275, 300, 330, 360, 363, 373, 396, 440, 450, 484, 495, 550, 600, 605, 660, 726, 746, 792, 825, 900, 968, 990, 1089, 1100, 1119, 1210, 1320, 1452, 1492, 1650, 1800, 1815, 1865, 1980, 2178, 2200, 2238, 2420, 2475, 2904, 2984, 3025, 3300, 3357, 3630, 3730, 3960, 4103, 4356, 4476, 4840, 4950, 5445, 5595, 6050, 6600, 6714, 7260, 7460, 8206, 8712, 8952, 9075, 9325, 9900, 10890, 11190, 12100, 12309, 13428, 14520, 14920, 16412, 16785, 18150, 18650, 19800, 20515, 21780, 22380, 24200, 24618, 26856, 27225, 27975, 32824, 33570, 36300, 36927, 37300, 41030, 43560, 44760, 45133, 49236, 54450, 55950, 61545, 67140, 72600, 73854, 74600, 82060, 83925, 90266, 98472, 102575, 108900, 111900, 123090, 134280, 135399, 147708, 164120, 167850, 180532, 184635, 205150, 217800, 223800, 225665, 246180, 270798, 295416, 307725, 335700, 361064, 369270, 406197, 410300, 451330, 492360, 541596, 615450, 671400, 676995, 738540, 812394, 820600, 902660, 923175, 1083192, 1128325, 1230900, 1353990, 1477080, 1624788, 1805320, 1846350, 2030985, 2256650, 2461800, 2707980, 3249576, 3384975, 3692700, 4061970, 4513300, 5415960, 6769950, 7385400, 8123940, 9026600, 10154925, 13539900, 16247880, 20309850, 27079800, 40619700, 81239400]

約数ペア:

[(1, 81239400), (2, 40619700), (3, 27079800), (4, 20309850), (5, 16247880), (6, 13539900), (8, 10154925), (9, 9026600), (10, 8123940), (11, 7385400), (12, 6769950), (15, 5415960), (18, 4513300), (20, 4061970), (22, 3692700), (24, 3384975), (25, 3249576), (30, 2707980), (33, 2461800), (36, 2256650), (40, 2030985), (44, 1846350), (45, 1805320), (50, 1624788), (55, 1477080), (60, 1353990), (66, 1230900), (72, 1128325), (75, 1083192), (88, 923175), (90, 902660), (99, 820600), (100, 812394), (110, 738540), (120, 676995), (121, 671400), (132, 615450), (150, 541596), (165, 492360), (180, 451330), (198, 410300), (200, 406197), (220, 369270), (225, 361064), (242, 335700), (264, 307725), (275, 295416), (300, 270798), (330, 246180), (360, 225665), (363, 223800), (373, 217800), (396, 205150), (440, 184635), (450, 180532), (484, 167850), (495, 164120), (550, 147708), (600, 135399), (605, 134280), (660, 123090), (726, 111900), (746, 108900), (792, 102575), (825, 98472), (900, 90266), (968, 83925), (990, 82060), (1089, 74600), (1100, 73854), (1119, 72600), (1210, 67140), (1320, 61545), (1452, 55950), (1492, 54450), (1650, 49236), (1800, 45133), (1815, 44760), (1865, 43560), (1980, 41030), (2178, 37300), (2200, 36927), (2238, 36300), (2420, 33570), (2475, 32824), (2904, 27975), (2984, 27225), (3025, 26856), (3300, 24618), (3357, 24200), (3630, 22380), (3730, 21780), (3960, 20515), (4103, 19800), (4356, 18650), (4476, 18150), (4840, 16785), (4950, 16412), (5445, 14920), (5595, 14520), (6050, 13428), (6600, 12309), (6714, 12100), (7260, 11190), (7460, 10890), (8206, 9900), (8712, 9325), (8952, 9075)]