81405600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 268295328

約数和(自身を除く): 186889728

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, 107, 120, 150, 160, 200, 214, 240, 300, 317, 321, 400, 428, 480, 535, 600, 634, 642, 800, 856, 951, 1070, 1200, 1268, 1284, 1585, 1605, 1712, 1902, 2140, 2400, 2536, 2568, 2675, 3170, 3210, 3424, 3804, 4280, 4755, 5072, 5136, 5350, 6340, 6420, 7608, 7925, 8025, 8560, 9510, 10144, 10272, 10700, 12680, 12840, 15216, 15850, 16050, 17120, 19020, 21400, 23775, 25360, 25680, 30432, 31700, 32100, 33919, 38040, 42800, 47550, 50720, 51360, 63400, 64200, 67838, 76080, 85600, 95100, 101757, 126800, 128400, 135676, 152160, 169595, 190200, 203514, 253600, 256800, 271352, 339190, 380400, 407028, 508785, 542704, 678380, 760800, 814056, 847975, 1017570, 1085408, 1356760, 1628112, 1695950, 2035140, 2543925, 2713520, 3256224, 3391900, 4070280, 5087850, 5427040, 6783800, 8140560, 10175700, 13567600, 16281120, 20351400, 27135200, 40702800, 81405600]

約数ペア:

[(1, 81405600), (2, 40702800), (3, 27135200), (4, 20351400), (5, 16281120), (6, 13567600), (8, 10175700), (10, 8140560), (12, 6783800), (15, 5427040), (16, 5087850), (20, 4070280), (24, 3391900), (25, 3256224), (30, 2713520), (32, 2543925), (40, 2035140), (48, 1695950), (50, 1628112), (60, 1356760), (75, 1085408), (80, 1017570), (96, 847975), (100, 814056), (107, 760800), (120, 678380), (150, 542704), (160, 508785), (200, 407028), (214, 380400), (240, 339190), (300, 271352), (317, 256800), (321, 253600), (400, 203514), (428, 190200), (480, 169595), (535, 152160), (600, 135676), (634, 128400), (642, 126800), (800, 101757), (856, 95100), (951, 85600), (1070, 76080), (1200, 67838), (1268, 64200), (1284, 63400), (1585, 51360), (1605, 50720), (1712, 47550), (1902, 42800), (2140, 38040), (2400, 33919), (2536, 32100), (2568, 31700), (2675, 30432), (3170, 25680), (3210, 25360), (3424, 23775), (3804, 21400), (4280, 19020), (4755, 17120), (5072, 16050), (5136, 15850), (5350, 15216), (6340, 12840), (6420, 12680), (7608, 10700), (7925, 10272), (8025, 10144), (8560, 9510)]