279765760

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1721}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 675795456

約数和(自身を除く): 396029696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1721, 2032, 2540, 3442, 4064, 5080, 6884, 8128, 8605, 10160, 13768, 16256, 17210, 20320, 27536, 32512, 34420, 40640, 55072, 68840, 81280, 110144, 137680, 162560, 218567, 220288, 275360, 437134, 440576, 550720, 874268, 1092835, 1101440, 1748536, 2185670, 2202880, 3497072, 4371340, 6994144, 8742680, 13988288, 17485360, 27976576, 34970720, 55953152, 69941440, 139882880, 279765760]

約数ペア:

[(1, 279765760), (2, 139882880), (4, 69941440), (5, 55953152), (8, 34970720), (10, 27976576), (16, 17485360), (20, 13988288), (32, 8742680), (40, 6994144), (64, 4371340), (80, 3497072), (127, 2202880), (128, 2185670), (160, 1748536), (254, 1101440), (256, 1092835), (320, 874268), (508, 550720), (635, 440576), (640, 437134), (1016, 275360), (1270, 220288), (1280, 218567), (1721, 162560), (2032, 137680), (2540, 110144), (3442, 81280), (4064, 68840), (5080, 55072), (6884, 40640), (8128, 34420), (8605, 32512), (10160, 27536), (13768, 20320), (16256, 17210)]