280297920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 224

約数和(自身を含む): 1037587968

約数和(自身を除く): 757290048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 371, 420, 424, 448, 480, 530, 560, 636, 672, 742, 787, 795, 840, 848, 960, 1060, 1113, 1120, 1272, 1344, 1484, 1574, 1590, 1680, 1696, 1855, 2120, 2226, 2240, 2361, 2544, 2968, 3148, 3180, 3360, 3392, 3710, 3935, 4240, 4452, 4722, 5088, 5509, 5565, 5936, 6296, 6360, 6720, 7420, 7870, 8480, 8904, 9444, 10176, 11018, 11130, 11805, 11872, 12592, 12720, 14840, 15740, 16527, 16960, 17808, 18888, 22036, 22260, 23610, 23744, 25184, 25440, 27545, 29680, 31480, 33054, 35616, 37776, 41711, 44072, 44520, 47220, 50368, 50880, 55090, 59360, 62960, 66108, 71232, 75552, 82635, 83422, 88144, 89040, 94440, 110180, 118720, 125133, 125920, 132216, 151104, 165270, 166844, 176288, 178080, 188880, 208555, 220360, 250266, 251840, 264432, 291977, 330540, 333688, 352576, 356160, 377760, 417110, 440720, 500532, 528864, 583954, 625665, 661080, 667376, 755520, 834220, 875931, 881440, 1001064, 1057728, 1167908, 1251330, 1322160, 1334752, 1459885, 1668440, 1751862, 1762880, 2002128, 2335816, 2502660, 2644320, 2669504, 2919770, 3336880, 3503724, 4004256, 4379655, 4671632, 5005320, 5288640, 5839540, 6673760, 7007448, 8008512, 8759310, 9343264, 10010640, 11679080, 13347520, 14014896, 17518620, 18686528, 20021280, 23358160, 28029792, 35037240, 40042560, 46716320, 56059584, 70074480, 93432640, 140148960, 280297920]

約数ペア:

[(1, 280297920), (2, 140148960), (3, 93432640), (4, 70074480), (5, 56059584), (6, 46716320), (7, 40042560), (8, 35037240), (10, 28029792), (12, 23358160), (14, 20021280), (15, 18686528), (16, 17518620), (20, 14014896), (21, 13347520), (24, 11679080), (28, 10010640), (30, 9343264), (32, 8759310), (35, 8008512), (40, 7007448), (42, 6673760), (48, 5839540), (53, 5288640), (56, 5005320), (60, 4671632), (64, 4379655), (70, 4004256), (80, 3503724), (84, 3336880), (96, 2919770), (105, 2669504), (106, 2644320), (112, 2502660), (120, 2335816), (140, 2002128), (159, 1762880), (160, 1751862), (168, 1668440), (192, 1459885), (210, 1334752), (212, 1322160), (224, 1251330), (240, 1167908), (265, 1057728), (280, 1001064), (318, 881440), (320, 875931), (336, 834220), (371, 755520), (420, 667376), (424, 661080), (448, 625665), (480, 583954), (530, 528864), (560, 500532), (636, 440720), (672, 417110), (742, 377760), (787, 356160), (795, 352576), (840, 333688), (848, 330540), (960, 291977), (1060, 264432), (1113, 251840), (1120, 250266), (1272, 220360), (1344, 208555), (1484, 188880), (1574, 178080), (1590, 176288), (1680, 166844), (1696, 165270), (1855, 151104), (2120, 132216), (2226, 125920), (2240, 125133), (2361, 118720), (2544, 110180), (2968, 94440), (3148, 89040), (3180, 88144), (3360, 83422), (3392, 82635), (3710, 75552), (3935, 71232), (4240, 66108), (4452, 62960), (4722, 59360), (5088, 55090), (5509, 50880), (5565, 50368), (5936, 47220), (6296, 44520), (6360, 44072), (6720, 41711), (7420, 37776), (7870, 35616), (8480, 33054), (8904, 31480), (9444, 29680), (10176, 27545), (11018, 25440), (11130, 25184), (11805, 23744), (11872, 23610), (12592, 22260), (12720, 22036), (14840, 18888), (15740, 17808), (16527, 16960)]