78781440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 176

約数和(自身を含む): 264112128

約数和(自身を除く): 185330688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 223, 230, 240, 256, 276, 320, 345, 368, 384, 446, 460, 480, 512, 552, 640, 669, 690, 736, 768, 892, 920, 960, 1024, 1104, 1115, 1280, 1338, 1380, 1472, 1536, 1784, 1840, 1920, 2208, 2230, 2560, 2676, 2760, 2944, 3072, 3345, 3568, 3680, 3840, 4416, 4460, 5120, 5129, 5352, 5520, 5888, 6690, 7136, 7360, 7680, 8832, 8920, 10258, 10704, 11040, 11776, 13380, 14272, 14720, 15360, 15387, 17664, 17840, 20516, 21408, 22080, 23552, 25645, 26760, 28544, 29440, 30774, 35328, 35680, 41032, 42816, 44160, 51290, 53520, 57088, 58880, 61548, 70656, 71360, 76935, 82064, 85632, 88320, 102580, 107040, 114176, 117760, 123096, 142720, 153870, 164128, 171264, 176640, 205160, 214080, 228352, 246192, 285440, 307740, 328256, 342528, 353280, 410320, 428160, 492384, 570880, 615480, 656512, 685056, 820640, 856320, 984768, 1141760, 1230960, 1313024, 1641280, 1712640, 1969536, 2461920, 2626048, 3282560, 3425280, 3939072, 4923840, 5252096, 6565120, 7878144, 9847680, 13130240, 15756288, 19695360, 26260480, 39390720, 78781440]

約数ペア:

[(1, 78781440), (2, 39390720), (3, 26260480), (4, 19695360), (5, 15756288), (6, 13130240), (8, 9847680), (10, 7878144), (12, 6565120), (15, 5252096), (16, 4923840), (20, 3939072), (23, 3425280), (24, 3282560), (30, 2626048), (32, 2461920), (40, 1969536), (46, 1712640), (48, 1641280), (60, 1313024), (64, 1230960), (69, 1141760), (80, 984768), (92, 856320), (96, 820640), (115, 685056), (120, 656512), (128, 615480), (138, 570880), (160, 492384), (184, 428160), (192, 410320), (223, 353280), (230, 342528), (240, 328256), (256, 307740), (276, 285440), (320, 246192), (345, 228352), (368, 214080), (384, 205160), (446, 176640), (460, 171264), (480, 164128), (512, 153870), (552, 142720), (640, 123096), (669, 117760), (690, 114176), (736, 107040), (768, 102580), (892, 88320), (920, 85632), (960, 82064), (1024, 76935), (1104, 71360), (1115, 70656), (1280, 61548), (1338, 58880), (1380, 57088), (1472, 53520), (1536, 51290), (1784, 44160), (1840, 42816), (1920, 41032), (2208, 35680), (2230, 35328), (2560, 30774), (2676, 29440), (2760, 28544), (2944, 26760), (3072, 25645), (3345, 23552), (3568, 22080), (3680, 21408), (3840, 20516), (4416, 17840), (4460, 17664), (5120, 15387), (5129, 15360), (5352, 14720), (5520, 14272), (5888, 13380), (6690, 11776), (7136, 11040), (7360, 10704), (7680, 10258), (8832, 8920)]