720446656

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{479}}^1$

素因数の和:893

約数の個数: 56

約数和(自身を含む): 1457187840

約数和(自身を除く): 736741184

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 331, 479, 568, 662, 958, 1136, 1324, 1916, 2272, 2648, 3832, 4544, 5296, 7664, 10592, 15328, 21184, 23501, 30656, 34009, 47002, 68018, 94004, 136036, 158549, 188008, 272072, 317098, 376016, 544144, 634196, 752032, 1088288, 1268392, 1504064, 2176576, 2536784, 5073568, 10147136, 11256979, 22513958, 45027916, 90055832, 180111664, 360223328, 720446656]

約数ペア:

[(1, 720446656), (2, 360223328), (4, 180111664), (8, 90055832), (16, 45027916), (32, 22513958), (64, 11256979), (71, 10147136), (142, 5073568), (284, 2536784), (331, 2176576), (479, 1504064), (568, 1268392), (662, 1088288), (958, 752032), (1136, 634196), (1324, 544144), (1916, 376016), (2272, 317098), (2648, 272072), (3832, 188008), (4544, 158549), (5296, 136036), (7664, 94004), (10592, 68018), (15328, 47002), (21184, 34009), (23501, 30656)]