208778040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2546

約数の個数: 128

約数和(自身を含む): 705024000

約数和(自身を除く): 496245960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1580, 1896, 2133, 2370, 2447, 2844, 3160, 3555, 4266, 4740, 4894, 5688, 7110, 7341, 8532, 9480, 9788, 10665, 12235, 14220, 14682, 17064, 19576, 21330, 22023, 24470, 28440, 29364, 36705, 42660, 44046, 48940, 58728, 66069, 73410, 85320, 88092, 97880, 110115, 132138, 146820, 176184, 193313, 220230, 264276, 293640, 330345, 386626, 440460, 528552, 579939, 660690, 773252, 880920, 966565, 1159878, 1321380, 1546504, 1739817, 1933130, 2319756, 2642760, 2899695, 3479634, 3866260, 4639512, 5219451, 5799390, 6959268, 7732520, 8699085, 10438902, 11598780, 13918536, 17398170, 20877804, 23197560, 26097255, 34796340, 41755608, 52194510, 69592680, 104389020, 208778040]

約数ペア:

[(1, 208778040), (2, 104389020), (3, 69592680), (4, 52194510), (5, 41755608), (6, 34796340), (8, 26097255), (9, 23197560), (10, 20877804), (12, 17398170), (15, 13918536), (18, 11598780), (20, 10438902), (24, 8699085), (27, 7732520), (30, 6959268), (36, 5799390), (40, 5219451), (45, 4639512), (54, 3866260), (60, 3479634), (72, 2899695), (79, 2642760), (90, 2319756), (108, 1933130), (120, 1739817), (135, 1546504), (158, 1321380), (180, 1159878), (216, 966565), (237, 880920), (270, 773252), (316, 660690), (360, 579939), (395, 528552), (474, 440460), (540, 386626), (632, 330345), (711, 293640), (790, 264276), (948, 220230), (1080, 193313), (1185, 176184), (1422, 146820), (1580, 132138), (1896, 110115), (2133, 97880), (2370, 88092), (2447, 85320), (2844, 73410), (3160, 66069), (3555, 58728), (4266, 48940), (4740, 44046), (4894, 42660), (5688, 36705), (7110, 29364), (7341, 28440), (8532, 24470), (9480, 22023), (9788, 21330), (10665, 19576), (12235, 17064), (14220, 14682)]