820968960

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{15271}}^1$

素因数の和:15304

約数の個数: 160

約数和(自身を含む): 2999665152

約数和(自身を除く): 2178696192

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 13440, 15271, 17920, 26880, 30542, 45813, 53760, 61084, 76355, 91626, 106897, 122168, 152710, 183252, 213794, 229065, 244336, 305420, 320691, 366504, 427588, 458130, 488672, 534485, 610840, 641382, 733008, 855176, 916260, 977344, 1068970, 1221680, 1282764, 1466016, 1603455, 1710352, 1832520, 1954688, 2137940, 2443360, 2565528, 2932032, 3206910, 3420704, 3665040, 3909376, 4275880, 4886720, 5131056, 5864064, 6413820, 6841408, 7330080, 7818752, 8551760, 9773440, 10262112, 11728128, 12827640, 13682816, 14660160, 17103520, 19546880, 20524224, 23456256, 25655280, 27365632, 29320320, 34207040, 39093760, 41048448, 51310560, 54731264, 58640640, 68414080, 82096896, 102621120, 117281280, 136828160, 164193792, 205242240, 273656320, 410484480, 820968960]

約数ペア:

[(1, 820968960), (2, 410484480), (3, 273656320), (4, 205242240), (5, 164193792), (6, 136828160), (7, 117281280), (8, 102621120), (10, 82096896), (12, 68414080), (14, 58640640), (15, 54731264), (16, 51310560), (20, 41048448), (21, 39093760), (24, 34207040), (28, 29320320), (30, 27365632), (32, 25655280), (35, 23456256), (40, 20524224), (42, 19546880), (48, 17103520), (56, 14660160), (60, 13682816), (64, 12827640), (70, 11728128), (80, 10262112), (84, 9773440), (96, 8551760), (105, 7818752), (112, 7330080), (120, 6841408), (128, 6413820), (140, 5864064), (160, 5131056), (168, 4886720), (192, 4275880), (210, 3909376), (224, 3665040), (240, 3420704), (256, 3206910), (280, 2932032), (320, 2565528), (336, 2443360), (384, 2137940), (420, 1954688), (448, 1832520), (480, 1710352), (512, 1603455), (560, 1466016), (640, 1282764), (672, 1221680), (768, 1068970), (840, 977344), (896, 916260), (960, 855176), (1120, 733008), (1280, 641382), (1344, 610840), (1536, 534485), (1680, 488672), (1792, 458130), (1920, 427588), (2240, 366504), (2560, 320691), (2688, 305420), (3360, 244336), (3584, 229065), (3840, 213794), (4480, 183252), (5376, 152710), (6720, 122168), (7680, 106897), (8960, 91626), (10752, 76355), (13440, 61084), (15271, 53760), (17920, 45813), (26880, 30542)]