81105120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:545

約数の個数: 144

約数和(自身を含む): 279351072

約数和(自身を除く): 198245952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 151, 160, 180, 240, 288, 302, 360, 373, 453, 480, 604, 720, 746, 755, 906, 1119, 1208, 1359, 1440, 1492, 1510, 1812, 1865, 2238, 2265, 2416, 2718, 2984, 3020, 3357, 3624, 3730, 4476, 4530, 4832, 5436, 5595, 5968, 6040, 6714, 6795, 7248, 7460, 8952, 9060, 10872, 11190, 11936, 12080, 13428, 13590, 14496, 14920, 16785, 17904, 18120, 21744, 22380, 24160, 26856, 27180, 29840, 33570, 35808, 36240, 43488, 44760, 53712, 54360, 56323, 59680, 67140, 72480, 89520, 107424, 108720, 112646, 134280, 168969, 179040, 217440, 225292, 268560, 281615, 337938, 450584, 506907, 537120, 563230, 675876, 844845, 901168, 1013814, 1126460, 1351752, 1689690, 1802336, 2027628, 2252920, 2534535, 2703504, 3379380, 4055256, 4505840, 5069070, 5407008, 6758760, 8110512, 9011680, 10138140, 13517520, 16221024, 20276280, 27035040, 40552560, 81105120]

約数ペア:

[(1, 81105120), (2, 40552560), (3, 27035040), (4, 20276280), (5, 16221024), (6, 13517520), (8, 10138140), (9, 9011680), (10, 8110512), (12, 6758760), (15, 5407008), (16, 5069070), (18, 4505840), (20, 4055256), (24, 3379380), (30, 2703504), (32, 2534535), (36, 2252920), (40, 2027628), (45, 1802336), (48, 1689690), (60, 1351752), (72, 1126460), (80, 1013814), (90, 901168), (96, 844845), (120, 675876), (144, 563230), (151, 537120), (160, 506907), (180, 450584), (240, 337938), (288, 281615), (302, 268560), (360, 225292), (373, 217440), (453, 179040), (480, 168969), (604, 134280), (720, 112646), (746, 108720), (755, 107424), (906, 89520), (1119, 72480), (1208, 67140), (1359, 59680), (1440, 56323), (1492, 54360), (1510, 53712), (1812, 44760), (1865, 43488), (2238, 36240), (2265, 35808), (2416, 33570), (2718, 29840), (2984, 27180), (3020, 26856), (3357, 24160), (3624, 22380), (3730, 21744), (4476, 18120), (4530, 17904), (4832, 16785), (5436, 14920), (5595, 14496), (5968, 13590), (6040, 13428), (6714, 12080), (6795, 11936), (7248, 11190), (7460, 10872), (8952, 9060)]