81721800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 278263440

約数和(自身を除く): 196541640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 83, 90, 100, 120, 150, 166, 180, 200, 225, 249, 300, 332, 360, 415, 450, 498, 547, 600, 664, 747, 830, 900, 996, 1094, 1245, 1494, 1641, 1660, 1800, 1992, 2075, 2188, 2490, 2735, 2988, 3282, 3320, 3735, 4150, 4376, 4923, 4980, 5470, 5976, 6225, 6564, 7470, 8205, 8300, 9846, 9960, 10940, 12450, 13128, 13675, 14940, 16410, 16600, 18675, 19692, 21880, 24615, 24900, 27350, 29880, 32820, 37350, 39384, 41025, 45401, 49230, 49800, 54700, 65640, 74700, 82050, 90802, 98460, 109400, 123075, 136203, 149400, 164100, 181604, 196920, 227005, 246150, 272406, 328200, 363208, 408609, 454010, 492300, 544812, 681015, 817218, 908020, 984600, 1089624, 1135025, 1362030, 1634436, 1816040, 2043045, 2270050, 2724060, 3268872, 3405075, 4086090, 4540100, 5448120, 6810150, 8172180, 9080200, 10215225, 13620300, 16344360, 20430450, 27240600, 40860900, 81721800]

約数ペア:

[(1, 81721800), (2, 40860900), (3, 27240600), (4, 20430450), (5, 16344360), (6, 13620300), (8, 10215225), (9, 9080200), (10, 8172180), (12, 6810150), (15, 5448120), (18, 4540100), (20, 4086090), (24, 3405075), (25, 3268872), (30, 2724060), (36, 2270050), (40, 2043045), (45, 1816040), (50, 1634436), (60, 1362030), (72, 1135025), (75, 1089624), (83, 984600), (90, 908020), (100, 817218), (120, 681015), (150, 544812), (166, 492300), (180, 454010), (200, 408609), (225, 363208), (249, 328200), (300, 272406), (332, 246150), (360, 227005), (415, 196920), (450, 181604), (498, 164100), (547, 149400), (600, 136203), (664, 123075), (747, 109400), (830, 98460), (900, 90802), (996, 82050), (1094, 74700), (1245, 65640), (1494, 54700), (1641, 49800), (1660, 49230), (1800, 45401), (1992, 41025), (2075, 39384), (2188, 37350), (2490, 32820), (2735, 29880), (2988, 27350), (3282, 24900), (3320, 24615), (3735, 21880), (4150, 19692), (4376, 18675), (4923, 16600), (4980, 16410), (5470, 14940), (5976, 13675), (6225, 13128), (6564, 12450), (7470, 10940), (8205, 9960), (8300, 9846)]