720289920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{53593}}^1$

素因数の和:53622

約数の個数: 128

約数和(自身を含む): 2623962240

約数和(自身を除く): 1903672320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 53593, 107186, 160779, 214372, 267965, 321558, 375151, 428744, 535930, 643116, 750302, 803895, 857488, 1071860, 1125453, 1286232, 1500604, 1607790, 1714976, 1875755, 2143720, 2250906, 2572464, 3001208, 3215580, 3429952, 3751510, 4287440, 4501812, 5144928, 5627265, 6002416, 6431160, 6859904, 7503020, 8574880, 9003624, 10289856, 11254530, 12004832, 12862320, 15006040, 17149760, 18007248, 20579712, 22509060, 24009664, 25724640, 30012080, 34299520, 36014496, 45018120, 48019328, 51449280, 60024160, 72028992, 90036240, 102898560, 120048320, 144057984, 180072480, 240096640, 360144960, 720289920]

約数ペア:

[(1, 720289920), (2, 360144960), (3, 240096640), (4, 180072480), (5, 144057984), (6, 120048320), (7, 102898560), (8, 90036240), (10, 72028992), (12, 60024160), (14, 51449280), (15, 48019328), (16, 45018120), (20, 36014496), (21, 34299520), (24, 30012080), (28, 25724640), (30, 24009664), (32, 22509060), (35, 20579712), (40, 18007248), (42, 17149760), (48, 15006040), (56, 12862320), (60, 12004832), (64, 11254530), (70, 10289856), (80, 9003624), (84, 8574880), (96, 7503020), (105, 6859904), (112, 6431160), (120, 6002416), (128, 5627265), (140, 5144928), (160, 4501812), (168, 4287440), (192, 3751510), (210, 3429952), (224, 3215580), (240, 3001208), (280, 2572464), (320, 2250906), (336, 2143720), (384, 1875755), (420, 1714976), (448, 1607790), (480, 1500604), (560, 1286232), (640, 1125453), (672, 1071860), (840, 857488), (896, 803895), (960, 750302), (1120, 643116), (1344, 535930), (1680, 428744), (1920, 375151), (2240, 321558), (2688, 267965), (3360, 214372), (4480, 160779), (6720, 107186), (13440, 53593)]