255515520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 256

約数和(自身を含む): 909921600

約数和(自身を除く): 654406080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 64, 65, 78, 80, 87, 96, 104, 116, 120, 128, 130, 145, 156, 160, 174, 192, 195, 208, 232, 240, 260, 290, 312, 320, 348, 353, 377, 384, 390, 416, 435, 464, 480, 520, 580, 624, 640, 696, 706, 754, 780, 832, 870, 928, 960, 1040, 1059, 1131, 1160, 1248, 1392, 1412, 1508, 1560, 1664, 1740, 1765, 1856, 1885, 1920, 2080, 2118, 2262, 2320, 2496, 2784, 2824, 3016, 3120, 3480, 3530, 3712, 3770, 4160, 4236, 4524, 4589, 4640, 4992, 5295, 5568, 5648, 5655, 6032, 6240, 6960, 7060, 7540, 8320, 8472, 9048, 9178, 9280, 10237, 10590, 11136, 11296, 11310, 12064, 12480, 13767, 13920, 14120, 15080, 16944, 18096, 18356, 18560, 20474, 21180, 22592, 22620, 22945, 24128, 24960, 27534, 27840, 28240, 30160, 30711, 33888, 36192, 36712, 40948, 42360, 45184, 45240, 45890, 48256, 51185, 55068, 55680, 56480, 60320, 61422, 67776, 68835, 72384, 73424, 81896, 84720, 90480, 91780, 102370, 110136, 112960, 120640, 122844, 133081, 135552, 137670, 144768, 146848, 153555, 163792, 169440, 180960, 183560, 204740, 220272, 225920, 241280, 245688, 266162, 275340, 293696, 307110, 327584, 338880, 361920, 367120, 399243, 409480, 440544, 491376, 532324, 550680, 587392, 614220, 655168, 665405, 677760, 723840, 734240, 798486, 818960, 881088, 982752, 1064648, 1101360, 1228440, 1310336, 1330810, 1468480, 1596972, 1637920, 1762176, 1965504, 1996215, 2129296, 2202720, 2456880, 2661620, 2936960, 3193944, 3275840, 3931008, 3992430, 4258592, 4405440, 4913760, 5323240, 6387888, 6551680, 7984860, 8517184, 8810880, 9827520, 10646480, 12775776, 15969720, 17034368, 19655040, 21292960, 25551552, 31939440, 42585920, 51103104, 63878880, 85171840, 127757760, 255515520]

約数ペア:

[(1, 255515520), (2, 127757760), (3, 85171840), (4, 63878880), (5, 51103104), (6, 42585920), (8, 31939440), (10, 25551552), (12, 21292960), (13, 19655040), (15, 17034368), (16, 15969720), (20, 12775776), (24, 10646480), (26, 9827520), (29, 8810880), (30, 8517184), (32, 7984860), (39, 6551680), (40, 6387888), (48, 5323240), (52, 4913760), (58, 4405440), (60, 4258592), (64, 3992430), (65, 3931008), (78, 3275840), (80, 3193944), (87, 2936960), (96, 2661620), (104, 2456880), (116, 2202720), (120, 2129296), (128, 1996215), (130, 1965504), (145, 1762176), (156, 1637920), (160, 1596972), (174, 1468480), (192, 1330810), (195, 1310336), (208, 1228440), (232, 1101360), (240, 1064648), (260, 982752), (290, 881088), (312, 818960), (320, 798486), (348, 734240), (353, 723840), (377, 677760), (384, 665405), (390, 655168), (416, 614220), (435, 587392), (464, 550680), (480, 532324), (520, 491376), (580, 440544), (624, 409480), (640, 399243), (696, 367120), (706, 361920), (754, 338880), (780, 327584), (832, 307110), (870, 293696), (928, 275340), (960, 266162), (1040, 245688), (1059, 241280), (1131, 225920), (1160, 220272), (1248, 204740), (1392, 183560), (1412, 180960), (1508, 169440), (1560, 163792), (1664, 153555), (1740, 146848), (1765, 144768), (1856, 137670), (1885, 135552), (1920, 133081), (2080, 122844), (2118, 120640), (2262, 112960), (2320, 110136), (2496, 102370), (2784, 91780), (2824, 90480), (3016, 84720), (3120, 81896), (3480, 73424), (3530, 72384), (3712, 68835), (3770, 67776), (4160, 61422), (4236, 60320), (4524, 56480), (4589, 55680), (4640, 55068), (4992, 51185), (5295, 48256), (5568, 45890), (5648, 45240), (5655, 45184), (6032, 42360), (6240, 40948), (6960, 36712), (7060, 36192), (7540, 33888), (8320, 30711), (8472, 30160), (9048, 28240), (9178, 27840), (9280, 27534), (10237, 24960), (10590, 24128), (11136, 22945), (11296, 22620), (11310, 22592), (12064, 21180), (12480, 20474), (13767, 18560), (13920, 18356), (14120, 18096), (15080, 16944)]