81880800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 269826480

約数和(自身を除く): 187945680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 109, 120, 150, 160, 200, 218, 240, 300, 313, 327, 400, 436, 480, 545, 600, 626, 654, 800, 872, 939, 1090, 1200, 1252, 1308, 1565, 1635, 1744, 1878, 2180, 2400, 2504, 2616, 2725, 3130, 3270, 3488, 3756, 4360, 4695, 5008, 5232, 5450, 6260, 6540, 7512, 7825, 8175, 8720, 9390, 10016, 10464, 10900, 12520, 13080, 15024, 15650, 16350, 17440, 18780, 21800, 23475, 25040, 26160, 30048, 31300, 32700, 34117, 37560, 43600, 46950, 50080, 52320, 62600, 65400, 68234, 75120, 87200, 93900, 102351, 125200, 130800, 136468, 150240, 170585, 187800, 204702, 250400, 261600, 272936, 341170, 375600, 409404, 511755, 545872, 682340, 751200, 818808, 852925, 1023510, 1091744, 1364680, 1637616, 1705850, 2047020, 2558775, 2729360, 3275232, 3411700, 4094040, 5117550, 5458720, 6823400, 8188080, 10235100, 13646800, 16376160, 20470200, 27293600, 40940400, 81880800]

約数ペア:

[(1, 81880800), (2, 40940400), (3, 27293600), (4, 20470200), (5, 16376160), (6, 13646800), (8, 10235100), (10, 8188080), (12, 6823400), (15, 5458720), (16, 5117550), (20, 4094040), (24, 3411700), (25, 3275232), (30, 2729360), (32, 2558775), (40, 2047020), (48, 1705850), (50, 1637616), (60, 1364680), (75, 1091744), (80, 1023510), (96, 852925), (100, 818808), (109, 751200), (120, 682340), (150, 545872), (160, 511755), (200, 409404), (218, 375600), (240, 341170), (300, 272936), (313, 261600), (327, 250400), (400, 204702), (436, 187800), (480, 170585), (545, 150240), (600, 136468), (626, 130800), (654, 125200), (800, 102351), (872, 93900), (939, 87200), (1090, 75120), (1200, 68234), (1252, 65400), (1308, 62600), (1565, 52320), (1635, 50080), (1744, 46950), (1878, 43600), (2180, 37560), (2400, 34117), (2504, 32700), (2616, 31300), (2725, 30048), (3130, 26160), (3270, 25040), (3488, 23475), (3756, 21800), (4360, 18780), (4695, 17440), (5008, 16350), (5232, 15650), (5450, 15024), (6260, 13080), (6540, 12520), (7512, 10900), (7825, 10464), (8175, 10016), (8720, 9390)]