199981440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 722649600

約数和(自身を除く): 522668160

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, 270, 284, 288, 320, 326, 355, 360, 384, 426, 432, 480, 489, 540, 568, 576, 639, 640, 652, 710, 720, 815, 852, 864, 960, 978, 1065, 1080, 1136, 1152, 1278, 1304, 1420, 1440, 1467, 1630, 1704, 1728, 1917, 1920, 1956, 2130, 2160, 2272, 2445, 2556, 2608, 2840, 2880, 2934, 3195, 3260, 3408, 3456, 3834, 3912, 4260, 4320, 4401, 4544, 4890, 5112, 5216, 5680, 5760, 5868, 6390, 6520, 6816, 7335, 7668, 7824, 8520, 8640, 8802, 9088, 9585, 9780, 10224, 10432, 11360, 11573, 11736, 12780, 13040, 13632, 14670, 15336, 15648, 17040, 17280, 17604, 19170, 19560, 20448, 20864, 22005, 22720, 23146, 23472, 25560, 26080, 27264, 29340, 30672, 31296, 34080, 34719, 35208, 38340, 39120, 40896, 44010, 45440, 46292, 46944, 51120, 52160, 57865, 58680, 61344, 62592, 68160, 69438, 70416, 76680, 78240, 81792, 88020, 92584, 93888, 102240, 104157, 104320, 115730, 117360, 122688, 136320, 138876, 140832, 153360, 156480, 173595, 176040, 185168, 187776, 204480, 208314, 231460, 234720, 245376, 277752, 281664, 306720, 312471, 312960, 347190, 352080, 370336, 408960, 416628, 462920, 469440, 520785, 555504, 563328, 613440, 624942, 694380, 704160, 740672, 833256, 925840, 938880, 1041570, 1111008, 1226880, 1249884, 1388760, 1408320, 1481344, 1562355, 1666512, 1851680, 2083140, 2222016, 2499768, 2777520, 2816640, 3124710, 3333024, 3703360, 4166280, 4444032, 4999536, 5555040, 6249420, 6666048, 7406720, 8332560, 9999072, 11110080, 12498840, 13332096, 16665120, 19998144, 22220160, 24997680, 33330240, 39996288, 49995360, 66660480, 99990720, 199981440]

約数ペア:

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