78673920

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 272432160

約数和(自身を除く): 193758240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 197, 208, 240, 256, 260, 312, 320, 384, 390, 394, 416, 480, 512, 520, 591, 624, 640, 768, 780, 788, 832, 960, 985, 1024, 1040, 1182, 1248, 1280, 1536, 1560, 1576, 1664, 1920, 1970, 2048, 2080, 2364, 2496, 2560, 2561, 2955, 3072, 3120, 3152, 3328, 3840, 3940, 4160, 4728, 4992, 5120, 5122, 5910, 6144, 6240, 6304, 6656, 7680, 7683, 7880, 8320, 9456, 9984, 10240, 10244, 11820, 12480, 12608, 12805, 13312, 15360, 15366, 15760, 16640, 18912, 19968, 20488, 23640, 24960, 25216, 25610, 26624, 30720, 30732, 31520, 33280, 37824, 38415, 39936, 40976, 47280, 49920, 50432, 51220, 61464, 63040, 66560, 75648, 76830, 79872, 81952, 94560, 99840, 100864, 102440, 122928, 126080, 133120, 151296, 153660, 163904, 189120, 199680, 201728, 204880, 245856, 252160, 302592, 307320, 327808, 378240, 399360, 403456, 409760, 491712, 504320, 605184, 614640, 655616, 756480, 819520, 983424, 1008640, 1210368, 1229280, 1311232, 1512960, 1639040, 1966848, 2017280, 2458560, 2622464, 3025920, 3278080, 3933696, 4917120, 5244928, 6051840, 6556160, 7867392, 9834240, 13112320, 15734784, 19668480, 26224640, 39336960, 78673920]

約数ペア:

[(1, 78673920), (2, 39336960), (3, 26224640), (4, 19668480), (5, 15734784), (6, 13112320), (8, 9834240), (10, 7867392), (12, 6556160), (13, 6051840), (15, 5244928), (16, 4917120), (20, 3933696), (24, 3278080), (26, 3025920), (30, 2622464), (32, 2458560), (39, 2017280), (40, 1966848), (48, 1639040), (52, 1512960), (60, 1311232), (64, 1229280), (65, 1210368), (78, 1008640), (80, 983424), (96, 819520), (104, 756480), (120, 655616), (128, 614640), (130, 605184), (156, 504320), (160, 491712), (192, 409760), (195, 403456), (197, 399360), (208, 378240), (240, 327808), (256, 307320), (260, 302592), (312, 252160), (320, 245856), (384, 204880), (390, 201728), (394, 199680), (416, 189120), (480, 163904), (512, 153660), (520, 151296), (591, 133120), (624, 126080), (640, 122928), (768, 102440), (780, 100864), (788, 99840), (832, 94560), (960, 81952), (985, 79872), (1024, 76830), (1040, 75648), (1182, 66560), (1248, 63040), (1280, 61464), (1536, 51220), (1560, 50432), (1576, 49920), (1664, 47280), (1920, 40976), (1970, 39936), (2048, 38415), (2080, 37824), (2364, 33280), (2496, 31520), (2560, 30732), (2561, 30720), (2955, 26624), (3072, 25610), (3120, 25216), (3152, 24960), (3328, 23640), (3840, 20488), (3940, 19968), (4160, 18912), (4728, 16640), (4992, 15760), (5120, 15366), (5122, 15360), (5910, 13312), (6144, 12805), (6240, 12608), (6304, 12480), (6656, 11820), (7680, 10244), (7683, 10240), (7880, 9984), (8320, 9456)]