2804005120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{839}}^1$

素因数の和:1240

約数の個数: 144

約数和(自身を含む): 7705716480

約数和(自身を除く): 4901711360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 373, 448, 560, 640, 746, 839, 896, 1120, 1280, 1492, 1678, 1792, 1865, 2240, 2611, 2984, 3356, 3730, 4195, 4480, 5222, 5873, 5968, 6712, 7460, 8390, 8960, 10444, 11746, 11936, 13055, 13424, 14920, 16780, 20888, 23492, 23872, 26110, 26848, 29365, 29840, 33560, 41776, 46984, 47744, 52220, 53696, 58730, 59680, 67120, 83552, 93968, 95488, 104440, 107392, 117460, 119360, 134240, 167104, 187936, 208880, 214784, 234920, 238720, 268480, 312947, 334208, 375872, 417760, 469840, 477440, 536960, 625894, 668416, 751744, 835520, 939680, 1073920, 1251788, 1503488, 1564735, 1671040, 1879360, 2190629, 2503576, 3129470, 3342080, 3758720, 4381258, 5007152, 6258940, 7517440, 8762516, 10014304, 10953145, 12517880, 17525032, 20028608, 21906290, 25035760, 35050064, 40057216, 43812580, 50071520, 70100128, 80114432, 87625160, 100143040, 140200256, 175250320, 200286080, 280400512, 350500640, 400572160, 560801024, 701001280, 1402002560, 2804005120]

約数ペア:

[(1, 2804005120), (2, 1402002560), (4, 701001280), (5, 560801024), (7, 400572160), (8, 350500640), (10, 280400512), (14, 200286080), (16, 175250320), (20, 140200256), (28, 100143040), (32, 87625160), (35, 80114432), (40, 70100128), (56, 50071520), (64, 43812580), (70, 40057216), (80, 35050064), (112, 25035760), (128, 21906290), (140, 20028608), (160, 17525032), (224, 12517880), (256, 10953145), (280, 10014304), (320, 8762516), (373, 7517440), (448, 6258940), (560, 5007152), (640, 4381258), (746, 3758720), (839, 3342080), (896, 3129470), (1120, 2503576), (1280, 2190629), (1492, 1879360), (1678, 1671040), (1792, 1564735), (1865, 1503488), (2240, 1251788), (2611, 1073920), (2984, 939680), (3356, 835520), (3730, 751744), (4195, 668416), (4480, 625894), (5222, 536960), (5873, 477440), (5968, 469840), (6712, 417760), (7460, 375872), (8390, 334208), (8960, 312947), (10444, 268480), (11746, 238720), (11936, 234920), (13055, 214784), (13424, 208880), (14920, 187936), (16780, 167104), (20888, 134240), (23492, 119360), (23872, 117460), (26110, 107392), (26848, 104440), (29365, 95488), (29840, 93968), (33560, 83552), (41776, 67120), (46984, 59680), (47744, 58730), (52220, 53696)]