245986560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 862845984

約数和(自身を除く): 616859424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 131, 144, 160, 163, 180, 192, 240, 256, 262, 288, 320, 326, 360, 384, 393, 480, 489, 524, 576, 640, 652, 655, 720, 768, 786, 815, 960, 978, 1048, 1152, 1179, 1280, 1304, 1310, 1440, 1467, 1572, 1630, 1920, 1956, 1965, 2096, 2304, 2358, 2445, 2608, 2620, 2880, 2934, 3144, 3260, 3840, 3912, 3930, 4192, 4716, 4890, 5216, 5240, 5760, 5868, 5895, 6288, 6520, 7335, 7824, 7860, 8384, 9432, 9780, 10432, 10480, 11520, 11736, 11790, 12576, 13040, 14670, 15648, 15720, 16768, 18864, 19560, 20864, 20960, 21353, 23472, 23580, 25152, 26080, 29340, 31296, 31440, 33536, 37728, 39120, 41728, 41920, 42706, 46944, 47160, 50304, 52160, 58680, 62592, 62880, 64059, 75456, 78240, 83840, 85412, 93888, 94320, 100608, 104320, 106765, 117360, 125184, 125760, 128118, 150912, 156480, 167680, 170824, 187776, 188640, 192177, 208640, 213530, 234720, 251520, 256236, 301824, 312960, 320295, 341648, 375552, 377280, 384354, 427060, 469440, 503040, 512472, 625920, 640590, 683296, 754560, 768708, 854120, 938880, 960885, 1024944, 1281180, 1366592, 1509120, 1537416, 1708240, 1877760, 1921770, 2049888, 2562360, 2733184, 3074832, 3416480, 3843540, 4099776, 5124720, 5466368, 6149664, 6832960, 7687080, 8199552, 10249440, 12299328, 13665920, 15374160, 16399104, 20498880, 24598656, 27331840, 30748320, 40997760, 49197312, 61496640, 81995520, 122993280, 245986560]

約数ペア:

[(1, 245986560), (2, 122993280), (3, 81995520), (4, 61496640), (5, 49197312), (6, 40997760), (8, 30748320), (9, 27331840), (10, 24598656), (12, 20498880), (15, 16399104), (16, 15374160), (18, 13665920), (20, 12299328), (24, 10249440), (30, 8199552), (32, 7687080), (36, 6832960), (40, 6149664), (45, 5466368), (48, 5124720), (60, 4099776), (64, 3843540), (72, 3416480), (80, 3074832), (90, 2733184), (96, 2562360), (120, 2049888), (128, 1921770), (131, 1877760), (144, 1708240), (160, 1537416), (163, 1509120), (180, 1366592), (192, 1281180), (240, 1024944), (256, 960885), (262, 938880), (288, 854120), (320, 768708), (326, 754560), (360, 683296), (384, 640590), (393, 625920), (480, 512472), (489, 503040), (524, 469440), (576, 427060), (640, 384354), (652, 377280), (655, 375552), (720, 341648), (768, 320295), (786, 312960), (815, 301824), (960, 256236), (978, 251520), (1048, 234720), (1152, 213530), (1179, 208640), (1280, 192177), (1304, 188640), (1310, 187776), (1440, 170824), (1467, 167680), (1572, 156480), (1630, 150912), (1920, 128118), (1956, 125760), (1965, 125184), (2096, 117360), (2304, 106765), (2358, 104320), (2445, 100608), (2608, 94320), (2620, 93888), (2880, 85412), (2934, 83840), (3144, 78240), (3260, 75456), (3840, 64059), (3912, 62880), (3930, 62592), (4192, 58680), (4716, 52160), (4890, 50304), (5216, 47160), (5240, 46944), (5760, 42706), (5868, 41920), (5895, 41728), (6288, 39120), (6520, 37728), (7335, 33536), (7824, 31440), (7860, 31296), (8384, 29340), (9432, 26080), (9780, 25152), (10432, 23580), (10480, 23472), (11520, 21353), (11736, 20960), (11790, 20864), (12576, 19560), (13040, 18864), (14670, 16768), (15648, 15720)]