205578240

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 224

約数和(自身を含む): 754928640

約数和(自身を除く): 549350400

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, 239, 240, 256, 280, 320, 336, 384, 420, 448, 478, 480, 512, 560, 640, 672, 717, 768, 840, 896, 956, 960, 1024, 1120, 1195, 1280, 1344, 1434, 1536, 1673, 1680, 1792, 1912, 1920, 2048, 2240, 2390, 2560, 2688, 2868, 3072, 3346, 3360, 3584, 3585, 3824, 3840, 4096, 4480, 4780, 5019, 5120, 5376, 5736, 6144, 6692, 6720, 7168, 7170, 7648, 7680, 8192, 8365, 8960, 9560, 10038, 10240, 10752, 11472, 12288, 13384, 13440, 14336, 14340, 15296, 15360, 16730, 17920, 19120, 20076, 20480, 21504, 22944, 24576, 25095, 26768, 26880, 28672, 28680, 30592, 30720, 33460, 35840, 38240, 40152, 40960, 43008, 45888, 50190, 53536, 53760, 57344, 57360, 61184, 61440, 66920, 71680, 76480, 80304, 86016, 91776, 100380, 107072, 107520, 114720, 122368, 122880, 133840, 143360, 152960, 160608, 172032, 183552, 200760, 214144, 215040, 229440, 244736, 267680, 286720, 305920, 321216, 367104, 401520, 428288, 430080, 458880, 489472, 535360, 611840, 642432, 734208, 803040, 856576, 860160, 917760, 978944, 1070720, 1223680, 1284864, 1468416, 1606080, 1713152, 1835520, 1957888, 2141440, 2447360, 2569728, 2936832, 3212160, 3426304, 3671040, 4282880, 4894720, 5139456, 5873664, 6424320, 6852608, 7342080, 8565760, 9789440, 10278912, 12848640, 13705216, 14684160, 17131520, 20557824, 25697280, 29368320, 34263040, 41115648, 51394560, 68526080, 102789120, 205578240]

約数ペア:

[(1, 205578240), (2, 102789120), (3, 68526080), (4, 51394560), (5, 41115648), (6, 34263040), (7, 29368320), (8, 25697280), (10, 20557824), (12, 17131520), (14, 14684160), (15, 13705216), (16, 12848640), (20, 10278912), (21, 9789440), (24, 8565760), (28, 7342080), (30, 6852608), (32, 6424320), (35, 5873664), (40, 5139456), (42, 4894720), (48, 4282880), (56, 3671040), (60, 3426304), (64, 3212160), (70, 2936832), (80, 2569728), (84, 2447360), (96, 2141440), (105, 1957888), (112, 1835520), (120, 1713152), (128, 1606080), (140, 1468416), (160, 1284864), (168, 1223680), (192, 1070720), (210, 978944), (224, 917760), (239, 860160), (240, 856576), (256, 803040), (280, 734208), (320, 642432), (336, 611840), (384, 535360), (420, 489472), (448, 458880), (478, 430080), (480, 428288), (512, 401520), (560, 367104), (640, 321216), (672, 305920), (717, 286720), (768, 267680), (840, 244736), (896, 229440), (956, 215040), (960, 214144), (1024, 200760), (1120, 183552), (1195, 172032), (1280, 160608), (1344, 152960), (1434, 143360), (1536, 133840), (1673, 122880), (1680, 122368), (1792, 114720), (1912, 107520), (1920, 107072), (2048, 100380), (2240, 91776), (2390, 86016), (2560, 80304), (2688, 76480), (2868, 71680), (3072, 66920), (3346, 61440), (3360, 61184), (3584, 57360), (3585, 57344), (3824, 53760), (3840, 53536), (4096, 50190), (4480, 45888), (4780, 43008), (5019, 40960), (5120, 40152), (5376, 38240), (5736, 35840), (6144, 33460), (6692, 30720), (6720, 30592), (7168, 28680), (7170, 28672), (7648, 26880), (7680, 26768), (8192, 25095), (8365, 24576), (8960, 22944), (9560, 21504), (10038, 20480), (10240, 20076), (10752, 19120), (11472, 17920), (12288, 16730), (13384, 15360), (13440, 15296), (14336, 14340)]