161525760

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 208

約数和(自身を含む): 566161920

約数和(自身を除く): 404636160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 239, 240, 256, 264, 320, 330, 352, 384, 440, 478, 480, 512, 528, 640, 660, 704, 717, 768, 880, 956, 960, 1024, 1056, 1195, 1280, 1320, 1408, 1434, 1536, 1760, 1912, 1920, 2048, 2112, 2390, 2560, 2629, 2640, 2816, 2868, 3072, 3520, 3585, 3824, 3840, 4096, 4224, 4780, 5120, 5258, 5280, 5632, 5736, 6144, 7040, 7170, 7648, 7680, 7887, 8448, 9560, 10240, 10516, 10560, 11264, 11472, 12288, 13145, 14080, 14340, 15296, 15360, 15774, 16896, 19120, 20480, 21032, 21120, 22528, 22944, 26290, 28160, 28680, 30592, 30720, 31548, 33792, 38240, 39435, 42064, 42240, 45056, 45888, 52580, 56320, 57360, 61184, 61440, 63096, 67584, 76480, 78870, 84128, 84480, 91776, 105160, 112640, 114720, 122368, 126192, 135168, 152960, 157740, 168256, 168960, 183552, 210320, 225280, 229440, 244736, 252384, 305920, 315480, 336512, 337920, 367104, 420640, 458880, 489472, 504768, 611840, 630960, 673024, 675840, 734208, 841280, 917760, 978944, 1009536, 1223680, 1261920, 1346048, 1468416, 1682560, 1835520, 2019072, 2447360, 2523840, 2692096, 2936832, 3365120, 3671040, 4038144, 4894720, 5047680, 5384192, 6730240, 7342080, 8076288, 10095360, 10768384, 13460480, 14684160, 16152576, 20190720, 26920960, 32305152, 40381440, 53841920, 80762880, 161525760]

約数ペア:

[(1, 161525760), (2, 80762880), (3, 53841920), (4, 40381440), (5, 32305152), (6, 26920960), (8, 20190720), (10, 16152576), (11, 14684160), (12, 13460480), (15, 10768384), (16, 10095360), (20, 8076288), (22, 7342080), (24, 6730240), (30, 5384192), (32, 5047680), (33, 4894720), (40, 4038144), (44, 3671040), (48, 3365120), (55, 2936832), (60, 2692096), (64, 2523840), (66, 2447360), (80, 2019072), (88, 1835520), (96, 1682560), (110, 1468416), (120, 1346048), (128, 1261920), (132, 1223680), (160, 1009536), (165, 978944), (176, 917760), (192, 841280), (220, 734208), (239, 675840), (240, 673024), (256, 630960), (264, 611840), (320, 504768), (330, 489472), (352, 458880), (384, 420640), (440, 367104), (478, 337920), (480, 336512), (512, 315480), (528, 305920), (640, 252384), (660, 244736), (704, 229440), (717, 225280), (768, 210320), (880, 183552), (956, 168960), (960, 168256), (1024, 157740), (1056, 152960), (1195, 135168), (1280, 126192), (1320, 122368), (1408, 114720), (1434, 112640), (1536, 105160), (1760, 91776), (1912, 84480), (1920, 84128), (2048, 78870), (2112, 76480), (2390, 67584), (2560, 63096), (2629, 61440), (2640, 61184), (2816, 57360), (2868, 56320), (3072, 52580), (3520, 45888), (3585, 45056), (3824, 42240), (3840, 42064), (4096, 39435), (4224, 38240), (4780, 33792), (5120, 31548), (5258, 30720), (5280, 30592), (5632, 28680), (5736, 28160), (6144, 26290), (7040, 22944), (7170, 22528), (7648, 21120), (7680, 21032), (7887, 20480), (8448, 19120), (9560, 16896), (10240, 15774), (10516, 15360), (10560, 15296), (11264, 14340), (11472, 14080), (12288, 13145)]