51440640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 176

約数和(自身を含む): 175092192

約数和(自身を除く): 123651552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 197, 204, 240, 255, 256, 272, 320, 340, 384, 394, 408, 480, 510, 512, 544, 591, 640, 680, 768, 788, 816, 960, 985, 1020, 1024, 1088, 1182, 1280, 1360, 1536, 1576, 1632, 1920, 1970, 2040, 2176, 2364, 2560, 2720, 2955, 3072, 3152, 3264, 3349, 3840, 3940, 4080, 4352, 4728, 5120, 5440, 5910, 6304, 6528, 6698, 7680, 7880, 8160, 8704, 9456, 10047, 10880, 11820, 12608, 13056, 13396, 15360, 15760, 16320, 16745, 17408, 18912, 20094, 21760, 23640, 25216, 26112, 26792, 31520, 32640, 33490, 37824, 40188, 43520, 47280, 50235, 50432, 52224, 53584, 63040, 65280, 66980, 75648, 80376, 87040, 94560, 100470, 100864, 107168, 126080, 130560, 133960, 151296, 160752, 189120, 200940, 201728, 214336, 252160, 261120, 267920, 302592, 321504, 378240, 401880, 428672, 504320, 535840, 605184, 643008, 756480, 803760, 857344, 1008640, 1071680, 1286016, 1512960, 1607520, 1714688, 2143360, 2572032, 3025920, 3215040, 3429376, 4286720, 5144064, 6430080, 8573440, 10288128, 12860160, 17146880, 25720320, 51440640]

約数ペア:

[(1, 51440640), (2, 25720320), (3, 17146880), (4, 12860160), (5, 10288128), (6, 8573440), (8, 6430080), (10, 5144064), (12, 4286720), (15, 3429376), (16, 3215040), (17, 3025920), (20, 2572032), (24, 2143360), (30, 1714688), (32, 1607520), (34, 1512960), (40, 1286016), (48, 1071680), (51, 1008640), (60, 857344), (64, 803760), (68, 756480), (80, 643008), (85, 605184), (96, 535840), (102, 504320), (120, 428672), (128, 401880), (136, 378240), (160, 321504), (170, 302592), (192, 267920), (197, 261120), (204, 252160), (240, 214336), (255, 201728), (256, 200940), (272, 189120), (320, 160752), (340, 151296), (384, 133960), (394, 130560), (408, 126080), (480, 107168), (510, 100864), (512, 100470), (544, 94560), (591, 87040), (640, 80376), (680, 75648), (768, 66980), (788, 65280), (816, 63040), (960, 53584), (985, 52224), (1020, 50432), (1024, 50235), (1088, 47280), (1182, 43520), (1280, 40188), (1360, 37824), (1536, 33490), (1576, 32640), (1632, 31520), (1920, 26792), (1970, 26112), (2040, 25216), (2176, 23640), (2364, 21760), (2560, 20094), (2720, 18912), (2955, 17408), (3072, 16745), (3152, 16320), (3264, 15760), (3349, 15360), (3840, 13396), (3940, 13056), (4080, 12608), (4352, 11820), (4728, 10880), (5120, 10047), (5440, 9456), (5910, 8704), (6304, 8160), (6528, 7880), (6698, 7680)]