128270800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 120

約数和(自身を含む): 358445312

約数和(自身を除く): 230174512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 140, 175, 200, 244, 280, 305, 350, 400, 427, 488, 560, 610, 700, 751, 854, 976, 1220, 1400, 1502, 1525, 1708, 2135, 2440, 2800, 3004, 3050, 3416, 3755, 4270, 4880, 5257, 6008, 6100, 6832, 7510, 8540, 10514, 10675, 12016, 12200, 15020, 17080, 18775, 21028, 21350, 24400, 26285, 30040, 34160, 37550, 42056, 42700, 45811, 52570, 60080, 75100, 84112, 85400, 91622, 105140, 131425, 150200, 170800, 183244, 210280, 229055, 262850, 300400, 320677, 366488, 420560, 458110, 525700, 641354, 732976, 916220, 1051400, 1145275, 1282708, 1603385, 1832440, 2102800, 2290550, 2565416, 3206770, 3664880, 4581100, 5130832, 6413540, 8016925, 9162200, 12827080, 16033850, 18324400, 25654160, 32067700, 64135400, 128270800]

約数ペア:

[(1, 128270800), (2, 64135400), (4, 32067700), (5, 25654160), (7, 18324400), (8, 16033850), (10, 12827080), (14, 9162200), (16, 8016925), (20, 6413540), (25, 5130832), (28, 4581100), (35, 3664880), (40, 3206770), (50, 2565416), (56, 2290550), (61, 2102800), (70, 1832440), (80, 1603385), (100, 1282708), (112, 1145275), (122, 1051400), (140, 916220), (175, 732976), (200, 641354), (244, 525700), (280, 458110), (305, 420560), (350, 366488), (400, 320677), (427, 300400), (488, 262850), (560, 229055), (610, 210280), (700, 183244), (751, 170800), (854, 150200), (976, 131425), (1220, 105140), (1400, 91622), (1502, 85400), (1525, 84112), (1708, 75100), (2135, 60080), (2440, 52570), (2800, 45811), (3004, 42700), (3050, 42056), (3416, 37550), (3755, 34160), (4270, 30040), (4880, 26285), (5257, 24400), (6008, 21350), (6100, 21028), (6832, 18775), (7510, 17080), (8540, 15020), (10514, 12200), (10675, 12016)]