55450920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 136149720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 263, 280, 420, 502, 526, 753, 789, 840, 1004, 1052, 1255, 1315, 1506, 1578, 1757, 1841, 2008, 2104, 2510, 2630, 3012, 3156, 3514, 3682, 3765, 3945, 5020, 5260, 5271, 5523, 6024, 6312, 7028, 7364, 7530, 7890, 8785, 9205, 10040, 10520, 10542, 11046, 14056, 14728, 15060, 15780, 17570, 18410, 21084, 22092, 26355, 27615, 30120, 31560, 35140, 36820, 42168, 44184, 52710, 55230, 66013, 70280, 73640, 105420, 110460, 132026, 198039, 210840, 220920, 264052, 330065, 396078, 462091, 528104, 660130, 792156, 924182, 990195, 1320260, 1386273, 1584312, 1848364, 1980390, 2310455, 2640520, 2772546, 3696728, 3960780, 4620910, 5545092, 6931365, 7921560, 9241820, 11090184, 13862730, 18483640, 27725460, 55450920]

約数ペア:

[(1, 55450920), (2, 27725460), (3, 18483640), (4, 13862730), (5, 11090184), (6, 9241820), (7, 7921560), (8, 6931365), (10, 5545092), (12, 4620910), (14, 3960780), (15, 3696728), (20, 2772546), (21, 2640520), (24, 2310455), (28, 1980390), (30, 1848364), (35, 1584312), (40, 1386273), (42, 1320260), (56, 990195), (60, 924182), (70, 792156), (84, 660130), (105, 528104), (120, 462091), (140, 396078), (168, 330065), (210, 264052), (251, 220920), (263, 210840), (280, 198039), (420, 132026), (502, 110460), (526, 105420), (753, 73640), (789, 70280), (840, 66013), (1004, 55230), (1052, 52710), (1255, 44184), (1315, 42168), (1506, 36820), (1578, 35140), (1757, 31560), (1841, 30120), (2008, 27615), (2104, 26355), (2510, 22092), (2630, 21084), (3012, 18410), (3156, 17570), (3514, 15780), (3682, 15060), (3765, 14728), (3945, 14056), (5020, 11046), (5260, 10542), (5271, 10520), (5523, 10040), (6024, 9205), (6312, 8785), (7028, 7890), (7364, 7530)]