768995280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17509}}^1$

素因数の和:17589

約数の個数: 120

約数和(自身を含む): 2625029160

約数和(自身を除く): 1856033880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 17509, 21960, 35018, 43920, 52527, 70036, 87545, 105054, 140072, 157581, 175090, 210108, 262635, 280144, 315162, 350180, 420216, 525270, 630324, 700360, 787905, 840432, 1050540, 1068049, 1260648, 1400720, 1575810, 2101080, 2136098, 2521296, 3151620, 3204147, 4202160, 4272196, 5340245, 6303240, 6408294, 8544392, 9612441, 10680490, 12606480, 12816588, 16020735, 17088784, 19224882, 21360980, 25633176, 32041470, 38449764, 42721960, 48062205, 51266352, 64082940, 76899528, 85443920, 96124410, 128165880, 153799056, 192248820, 256331760, 384497640, 768995280]

約数ペア:

[(1, 768995280), (2, 384497640), (3, 256331760), (4, 192248820), (5, 153799056), (6, 128165880), (8, 96124410), (9, 85443920), (10, 76899528), (12, 64082940), (15, 51266352), (16, 48062205), (18, 42721960), (20, 38449764), (24, 32041470), (30, 25633176), (36, 21360980), (40, 19224882), (45, 17088784), (48, 16020735), (60, 12816588), (61, 12606480), (72, 10680490), (80, 9612441), (90, 8544392), (120, 6408294), (122, 6303240), (144, 5340245), (180, 4272196), (183, 4202160), (240, 3204147), (244, 3151620), (305, 2521296), (360, 2136098), (366, 2101080), (488, 1575810), (549, 1400720), (610, 1260648), (720, 1068049), (732, 1050540), (915, 840432), (976, 787905), (1098, 700360), (1220, 630324), (1464, 525270), (1830, 420216), (2196, 350180), (2440, 315162), (2745, 280144), (2928, 262635), (3660, 210108), (4392, 175090), (4880, 157581), (5490, 140072), (7320, 105054), (8784, 87545), (10980, 70036), (14640, 52527), (17509, 43920), (21960, 35018)]