208951680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 192

約数和(自身を含む): 775122480

約数和(自身を除く): 566170800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2221, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4442, 4480, 4704, 5880, 6272, 6663, 6720, 7840, 8884, 9408, 11105, 11760, 13326, 13440, 15547, 15680, 17768, 18816, 22210, 23520, 26652, 31094, 31360, 33315, 35536, 44420, 46641, 47040, 53304, 62188, 66630, 71072, 77735, 88840, 93282, 94080, 106608, 108829, 124376, 133260, 142144, 155470, 177680, 186564, 213216, 217658, 233205, 248752, 266520, 284288, 310940, 326487, 355360, 373128, 426432, 435316, 466410, 497504, 533040, 544145, 621880, 652974, 710720, 746256, 852864, 870632, 932820, 995008, 1066080, 1088290, 1243760, 1305948, 1421440, 1492512, 1632435, 1741264, 1865640, 1990016, 2132160, 2176580, 2487520, 2611896, 2985024, 3264870, 3482528, 3731280, 4264320, 4353160, 4975040, 5223792, 5970048, 6529740, 6965056, 7462560, 8706320, 9950080, 10447584, 13059480, 13930112, 14925120, 17412640, 20895168, 26118960, 29850240, 34825280, 41790336, 52237920, 69650560, 104475840, 208951680]

約数ペア:

[(1, 208951680), (2, 104475840), (3, 69650560), (4, 52237920), (5, 41790336), (6, 34825280), (7, 29850240), (8, 26118960), (10, 20895168), (12, 17412640), (14, 14925120), (15, 13930112), (16, 13059480), (20, 10447584), (21, 9950080), (24, 8706320), (28, 7462560), (30, 6965056), (32, 6529740), (35, 5970048), (40, 5223792), (42, 4975040), (48, 4353160), (49, 4264320), (56, 3731280), (60, 3482528), (64, 3264870), (70, 2985024), (80, 2611896), (84, 2487520), (96, 2176580), (98, 2132160), (105, 1990016), (112, 1865640), (120, 1741264), (128, 1632435), (140, 1492512), (147, 1421440), (160, 1305948), (168, 1243760), (192, 1088290), (196, 1066080), (210, 995008), (224, 932820), (240, 870632), (245, 852864), (280, 746256), (294, 710720), (320, 652974), (336, 621880), (384, 544145), (392, 533040), (420, 497504), (448, 466410), (480, 435316), (490, 426432), (560, 373128), (588, 355360), (640, 326487), (672, 310940), (735, 284288), (784, 266520), (840, 248752), (896, 233205), (960, 217658), (980, 213216), (1120, 186564), (1176, 177680), (1344, 155470), (1470, 142144), (1568, 133260), (1680, 124376), (1920, 108829), (1960, 106608), (2221, 94080), (2240, 93282), (2352, 88840), (2688, 77735), (2940, 71072), (3136, 66630), (3360, 62188), (3920, 53304), (4442, 47040), (4480, 46641), (4704, 44420), (5880, 35536), (6272, 33315), (6663, 31360), (6720, 31094), (7840, 26652), (8884, 23520), (9408, 22210), (11105, 18816), (11760, 17768), (13326, 15680), (13440, 15547)]