280342080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 224

約数和(自身を含む): 1005108480

約数和(自身を除く): 724766400

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, 135, 142, 144, 160, 180, 192, 213, 216, 240, 270, 284, 288, 320, 355, 360, 426, 432, 457, 480, 540, 568, 576, 639, 710, 720, 852, 864, 914, 960, 1065, 1080, 1136, 1278, 1371, 1420, 1440, 1704, 1728, 1828, 1917, 2130, 2160, 2272, 2285, 2556, 2742, 2840, 2880, 3195, 3408, 3656, 3834, 4113, 4260, 4320, 4544, 4570, 5112, 5484, 5680, 6390, 6816, 6855, 7312, 7668, 8226, 8520, 8640, 9140, 9585, 10224, 10968, 11360, 12339, 12780, 13632, 13710, 14624, 15336, 16452, 17040, 18280, 19170, 20448, 20565, 21936, 22720, 24678, 25560, 27420, 29248, 30672, 32447, 32904, 34080, 36560, 38340, 40896, 41130, 43872, 49356, 51120, 54840, 61344, 61695, 64894, 65808, 68160, 73120, 76680, 82260, 87744, 97341, 98712, 102240, 109680, 122688, 123390, 129788, 131616, 146240, 153360, 162235, 164520, 194682, 197424, 204480, 219360, 246780, 259576, 263232, 292023, 306720, 324470, 329040, 389364, 394848, 438720, 486705, 493560, 519152, 584046, 613440, 648940, 658080, 778728, 789696, 876069, 973410, 987120, 1038304, 1168092, 1297880, 1316160, 1460115, 1557456, 1752138, 1946820, 1974240, 2076608, 2336184, 2595760, 2920230, 3114912, 3504276, 3893640, 3948480, 4380345, 4672368, 5191520, 5840460, 6229824, 7008552, 7787280, 8760690, 9344736, 10383040, 11680920, 14017104, 15574560, 17521380, 18689472, 23361840, 28034208, 31149120, 35042760, 46723680, 56068416, 70085520, 93447360, 140171040, 280342080]

約数ペア:

[(1, 280342080), (2, 140171040), (3, 93447360), (4, 70085520), (5, 56068416), (6, 46723680), (8, 35042760), (9, 31149120), (10, 28034208), (12, 23361840), (15, 18689472), (16, 17521380), (18, 15574560), (20, 14017104), (24, 11680920), (27, 10383040), (30, 9344736), (32, 8760690), (36, 7787280), (40, 7008552), (45, 6229824), (48, 5840460), (54, 5191520), (60, 4672368), (64, 4380345), (71, 3948480), (72, 3893640), (80, 3504276), (90, 3114912), (96, 2920230), (108, 2595760), (120, 2336184), (135, 2076608), (142, 1974240), (144, 1946820), (160, 1752138), (180, 1557456), (192, 1460115), (213, 1316160), (216, 1297880), (240, 1168092), (270, 1038304), (284, 987120), (288, 973410), (320, 876069), (355, 789696), (360, 778728), (426, 658080), (432, 648940), (457, 613440), (480, 584046), (540, 519152), (568, 493560), (576, 486705), (639, 438720), (710, 394848), (720, 389364), (852, 329040), (864, 324470), (914, 306720), (960, 292023), (1065, 263232), (1080, 259576), (1136, 246780), (1278, 219360), (1371, 204480), (1420, 197424), (1440, 194682), (1704, 164520), (1728, 162235), (1828, 153360), (1917, 146240), (2130, 131616), (2160, 129788), (2272, 123390), (2285, 122688), (2556, 109680), (2742, 102240), (2840, 98712), (2880, 97341), (3195, 87744), (3408, 82260), (3656, 76680), (3834, 73120), (4113, 68160), (4260, 65808), (4320, 64894), (4544, 61695), (4570, 61344), (5112, 54840), (5484, 51120), (5680, 49356), (6390, 43872), (6816, 41130), (6855, 40896), (7312, 38340), (7668, 36560), (8226, 34080), (8520, 32904), (8640, 32447), (9140, 30672), (9585, 29248), (10224, 27420), (10968, 25560), (11360, 24678), (12339, 22720), (12780, 21936), (13632, 20565), (13710, 20448), (14624, 19170), (15336, 18280), (16452, 17040)]