81757440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 290803968

約数和(自身を除く): 209046528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 151, 160, 180, 188, 192, 235, 240, 256, 282, 288, 302, 320, 360, 376, 384, 423, 453, 470, 480, 564, 576, 604, 640, 705, 720, 752, 755, 768, 846, 906, 940, 960, 1128, 1152, 1208, 1280, 1359, 1410, 1440, 1504, 1510, 1692, 1812, 1880, 1920, 2115, 2256, 2265, 2304, 2416, 2718, 2820, 2880, 3008, 3020, 3384, 3624, 3760, 3840, 4230, 4512, 4530, 4832, 5436, 5640, 5760, 6016, 6040, 6768, 6795, 7097, 7248, 7520, 8460, 9024, 9060, 9664, 10872, 11280, 11520, 12032, 12080, 13536, 13590, 14194, 14496, 15040, 16920, 18048, 18120, 19328, 21291, 21744, 22560, 24160, 27072, 27180, 28388, 28992, 30080, 33840, 35485, 36096, 36240, 38656, 42582, 43488, 45120, 48320, 54144, 54360, 56776, 57984, 60160, 63873, 67680, 70970, 72480, 85164, 86976, 90240, 96640, 106455, 108288, 108720, 113552, 115968, 127746, 135360, 141940, 144960, 170328, 173952, 180480, 193280, 212910, 217440, 227104, 255492, 270720, 283880, 289920, 319365, 340656, 347904, 425820, 434880, 454208, 510984, 541440, 567760, 579840, 638730, 681312, 851640, 869760, 908416, 1021968, 1135520, 1277460, 1362624, 1703280, 1739520, 1816832, 2043936, 2271040, 2554920, 2725248, 3406560, 4087872, 4542080, 5109840, 5450496, 6813120, 8175744, 9084160, 10219680, 13626240, 16351488, 20439360, 27252480, 40878720, 81757440]

約数ペア:

[(1, 81757440), (2, 40878720), (3, 27252480), (4, 20439360), (5, 16351488), (6, 13626240), (8, 10219680), (9, 9084160), (10, 8175744), (12, 6813120), (15, 5450496), (16, 5109840), (18, 4542080), (20, 4087872), (24, 3406560), (30, 2725248), (32, 2554920), (36, 2271040), (40, 2043936), (45, 1816832), (47, 1739520), (48, 1703280), (60, 1362624), (64, 1277460), (72, 1135520), (80, 1021968), (90, 908416), (94, 869760), (96, 851640), (120, 681312), (128, 638730), (141, 579840), (144, 567760), (151, 541440), (160, 510984), (180, 454208), (188, 434880), (192, 425820), (235, 347904), (240, 340656), (256, 319365), (282, 289920), (288, 283880), (302, 270720), (320, 255492), (360, 227104), (376, 217440), (384, 212910), (423, 193280), (453, 180480), (470, 173952), (480, 170328), (564, 144960), (576, 141940), (604, 135360), (640, 127746), (705, 115968), (720, 113552), (752, 108720), (755, 108288), (768, 106455), (846, 96640), (906, 90240), (940, 86976), (960, 85164), (1128, 72480), (1152, 70970), (1208, 67680), (1280, 63873), (1359, 60160), (1410, 57984), (1440, 56776), (1504, 54360), (1510, 54144), (1692, 48320), (1812, 45120), (1880, 43488), (1920, 42582), (2115, 38656), (2256, 36240), (2265, 36096), (2304, 35485), (2416, 33840), (2718, 30080), (2820, 28992), (2880, 28388), (3008, 27180), (3020, 27072), (3384, 24160), (3624, 22560), (3760, 21744), (3840, 21291), (4230, 19328), (4512, 18120), (4530, 18048), (4832, 16920), (5436, 15040), (5640, 14496), (5760, 14194), (6016, 13590), (6040, 13536), (6768, 12080), (6795, 12032), (7097, 11520), (7248, 11280), (7520, 10872), (8460, 9664), (9024, 9060)]