399962880

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 288

約数和(自身を含む): 1448133120

約数和(自身を除く): 1048170240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 163, 180, 192, 213, 216, 240, 256, 270, 284, 288, 320, 326, 355, 360, 384, 426, 432, 480, 489, 540, 568, 576, 639, 640, 652, 710, 720, 768, 815, 852, 864, 960, 978, 1065, 1080, 1136, 1152, 1278, 1280, 1304, 1420, 1440, 1467, 1630, 1704, 1728, 1917, 1920, 1956, 2130, 2160, 2272, 2304, 2445, 2556, 2608, 2840, 2880, 2934, 3195, 3260, 3408, 3456, 3834, 3840, 3912, 4260, 4320, 4401, 4544, 4890, 5112, 5216, 5680, 5760, 5868, 6390, 6520, 6816, 6912, 7335, 7668, 7824, 8520, 8640, 8802, 9088, 9585, 9780, 10224, 10432, 11360, 11520, 11573, 11736, 12780, 13040, 13632, 14670, 15336, 15648, 17040, 17280, 17604, 18176, 19170, 19560, 20448, 20864, 22005, 22720, 23146, 23472, 25560, 26080, 27264, 29340, 30672, 31296, 34080, 34560, 34719, 35208, 38340, 39120, 40896, 41728, 44010, 45440, 46292, 46944, 51120, 52160, 54528, 57865, 58680, 61344, 62592, 68160, 69438, 70416, 76680, 78240, 81792, 88020, 90880, 92584, 93888, 102240, 104157, 104320, 115730, 117360, 122688, 125184, 136320, 138876, 140832, 153360, 156480, 163584, 173595, 176040, 185168, 187776, 204480, 208314, 208640, 231460, 234720, 245376, 272640, 277752, 281664, 306720, 312471, 312960, 347190, 352080, 370336, 375552, 408960, 416628, 462920, 469440, 490752, 520785, 555504, 563328, 613440, 624942, 625920, 694380, 704160, 740672, 817920, 833256, 925840, 938880, 1041570, 1111008, 1126656, 1226880, 1249884, 1388760, 1408320, 1481344, 1562355, 1666512, 1851680, 1877760, 2083140, 2222016, 2453760, 2499768, 2777520, 2816640, 2962688, 3124710, 3333024, 3703360, 4166280, 4444032, 4999536, 5555040, 5633280, 6249420, 6666048, 7406720, 8332560, 8888064, 9999072, 11110080, 12498840, 13332096, 14813440, 16665120, 19998144, 22220160, 24997680, 26664192, 33330240, 39996288, 44440320, 49995360, 66660480, 79992576, 99990720, 133320960, 199981440, 399962880]

約数ペア:

[(1, 399962880), (2, 199981440), (3, 133320960), (4, 99990720), (5, 79992576), (6, 66660480), (8, 49995360), (9, 44440320), (10, 39996288), (12, 33330240), (15, 26664192), (16, 24997680), (18, 22220160), (20, 19998144), (24, 16665120), (27, 14813440), (30, 13332096), (32, 12498840), (36, 11110080), (40, 9999072), (45, 8888064), (48, 8332560), (54, 7406720), (60, 6666048), (64, 6249420), (71, 5633280), (72, 5555040), (80, 4999536), (90, 4444032), (96, 4166280), (108, 3703360), (120, 3333024), (128, 3124710), (135, 2962688), (142, 2816640), (144, 2777520), (160, 2499768), (163, 2453760), (180, 2222016), (192, 2083140), (213, 1877760), (216, 1851680), (240, 1666512), (256, 1562355), (270, 1481344), (284, 1408320), (288, 1388760), (320, 1249884), (326, 1226880), (355, 1126656), (360, 1111008), (384, 1041570), (426, 938880), (432, 925840), (480, 833256), (489, 817920), (540, 740672), (568, 704160), (576, 694380), (639, 625920), (640, 624942), (652, 613440), (710, 563328), (720, 555504), (768, 520785), (815, 490752), (852, 469440), (864, 462920), (960, 416628), (978, 408960), (1065, 375552), (1080, 370336), (1136, 352080), (1152, 347190), (1278, 312960), (1280, 312471), (1304, 306720), (1420, 281664), (1440, 277752), (1467, 272640), (1630, 245376), (1704, 234720), (1728, 231460), (1917, 208640), (1920, 208314), (1956, 204480), (2130, 187776), (2160, 185168), (2272, 176040), (2304, 173595), (2445, 163584), (2556, 156480), (2608, 153360), (2840, 140832), (2880, 138876), (2934, 136320), (3195, 125184), (3260, 122688), (3408, 117360), (3456, 115730), (3834, 104320), (3840, 104157), (3912, 102240), (4260, 93888), (4320, 92584), (4401, 90880), (4544, 88020), (4890, 81792), (5112, 78240), (5216, 76680), (5680, 70416), (5760, 69438), (5868, 68160), (6390, 62592), (6520, 61344), (6816, 58680), (6912, 57865), (7335, 54528), (7668, 52160), (7824, 51120), (8520, 46944), (8640, 46292), (8802, 45440), (9088, 44010), (9585, 41728), (9780, 40896), (10224, 39120), (10432, 38340), (11360, 35208), (11520, 34719), (11573, 34560), (11736, 34080), (12780, 31296), (13040, 30672), (13632, 29340), (14670, 27264), (15336, 26080), (15648, 25560), (17040, 23472), (17280, 23146), (17604, 22720), (18176, 22005), (19170, 20864), (19560, 20448)]