209706240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 677855808

約数和(自身を除く): 468149568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 128, 160, 192, 194, 240, 256, 291, 320, 384, 388, 480, 485, 563, 582, 640, 768, 776, 960, 970, 1126, 1164, 1280, 1455, 1552, 1689, 1920, 1940, 2252, 2328, 2815, 2910, 3104, 3378, 3840, 3880, 4504, 4656, 5630, 5820, 6208, 6756, 7760, 8445, 9008, 9312, 11260, 11640, 12416, 13512, 15520, 16890, 18016, 18624, 22520, 23280, 24832, 27024, 31040, 33780, 36032, 37248, 45040, 46560, 54048, 54611, 62080, 67560, 72064, 74496, 90080, 93120, 108096, 109222, 124160, 135120, 144128, 163833, 180160, 186240, 216192, 218444, 270240, 273055, 327666, 360320, 372480, 432384, 436888, 540480, 546110, 655332, 720640, 819165, 873776, 1080960, 1092220, 1310664, 1638330, 1747552, 2161920, 2184440, 2621328, 3276660, 3495104, 4368880, 5242656, 6553320, 6990208, 8737760, 10485312, 13106640, 13980416, 17475520, 20970624, 26213280, 34951040, 41941248, 52426560, 69902080, 104853120, 209706240]

約数ペア:

[(1, 209706240), (2, 104853120), (3, 69902080), (4, 52426560), (5, 41941248), (6, 34951040), (8, 26213280), (10, 20970624), (12, 17475520), (15, 13980416), (16, 13106640), (20, 10485312), (24, 8737760), (30, 6990208), (32, 6553320), (40, 5242656), (48, 4368880), (60, 3495104), (64, 3276660), (80, 2621328), (96, 2184440), (97, 2161920), (120, 1747552), (128, 1638330), (160, 1310664), (192, 1092220), (194, 1080960), (240, 873776), (256, 819165), (291, 720640), (320, 655332), (384, 546110), (388, 540480), (480, 436888), (485, 432384), (563, 372480), (582, 360320), (640, 327666), (768, 273055), (776, 270240), (960, 218444), (970, 216192), (1126, 186240), (1164, 180160), (1280, 163833), (1455, 144128), (1552, 135120), (1689, 124160), (1920, 109222), (1940, 108096), (2252, 93120), (2328, 90080), (2815, 74496), (2910, 72064), (3104, 67560), (3378, 62080), (3840, 54611), (3880, 54048), (4504, 46560), (4656, 45040), (5630, 37248), (5820, 36032), (6208, 33780), (6756, 31040), (7760, 27024), (8445, 24832), (9008, 23280), (9312, 22520), (11260, 18624), (11640, 18016), (12416, 16890), (13512, 15520)]