128815680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 224

約数和(自身を含む): 484266240

約数和(自身を除く): 355450560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 280, 290, 320, 336, 348, 406, 420, 435, 448, 464, 480, 560, 580, 609, 661, 672, 696, 812, 840, 870, 928, 960, 1015, 1120, 1160, 1218, 1322, 1344, 1392, 1624, 1680, 1740, 1856, 1983, 2030, 2240, 2320, 2436, 2644, 2784, 3045, 3248, 3305, 3360, 3480, 3966, 4060, 4627, 4640, 4872, 5288, 5568, 6090, 6496, 6610, 6720, 6960, 7932, 8120, 9254, 9280, 9744, 9915, 10576, 12180, 12992, 13220, 13881, 13920, 15864, 16240, 18508, 19169, 19488, 19830, 21152, 23135, 24360, 26440, 27762, 27840, 31728, 32480, 37016, 38338, 38976, 39660, 42304, 46270, 48720, 52880, 55524, 57507, 63456, 64960, 69405, 74032, 76676, 79320, 92540, 95845, 97440, 105760, 111048, 115014, 126912, 134183, 138810, 148064, 153352, 158640, 185080, 191690, 194880, 211520, 222096, 230028, 268366, 277620, 287535, 296128, 306704, 317280, 370160, 383380, 402549, 444192, 460056, 536732, 555240, 575070, 613408, 634560, 670915, 740320, 766760, 805098, 888384, 920112, 1073464, 1110480, 1150140, 1226816, 1341830, 1480640, 1533520, 1610196, 1840224, 2012745, 2146928, 2220960, 2300280, 2683660, 3067040, 3220392, 3680448, 4025490, 4293856, 4441920, 4600560, 5367320, 6134080, 6440784, 8050980, 8587712, 9201120, 10734640, 12881568, 16101960, 18402240, 21469280, 25763136, 32203920, 42938560, 64407840, 128815680]

約数ペア:

[(1, 128815680), (2, 64407840), (3, 42938560), (4, 32203920), (5, 25763136), (6, 21469280), (7, 18402240), (8, 16101960), (10, 12881568), (12, 10734640), (14, 9201120), (15, 8587712), (16, 8050980), (20, 6440784), (21, 6134080), (24, 5367320), (28, 4600560), (29, 4441920), (30, 4293856), (32, 4025490), (35, 3680448), (40, 3220392), (42, 3067040), (48, 2683660), (56, 2300280), (58, 2220960), (60, 2146928), (64, 2012745), (70, 1840224), (80, 1610196), (84, 1533520), (87, 1480640), (96, 1341830), (105, 1226816), (112, 1150140), (116, 1110480), (120, 1073464), (140, 920112), (145, 888384), (160, 805098), (168, 766760), (174, 740320), (192, 670915), (203, 634560), (210, 613408), (224, 575070), (232, 555240), (240, 536732), (280, 460056), (290, 444192), (320, 402549), (336, 383380), (348, 370160), (406, 317280), (420, 306704), (435, 296128), (448, 287535), (464, 277620), (480, 268366), (560, 230028), (580, 222096), (609, 211520), (661, 194880), (672, 191690), (696, 185080), (812, 158640), (840, 153352), (870, 148064), (928, 138810), (960, 134183), (1015, 126912), (1120, 115014), (1160, 111048), (1218, 105760), (1322, 97440), (1344, 95845), (1392, 92540), (1624, 79320), (1680, 76676), (1740, 74032), (1856, 69405), (1983, 64960), (2030, 63456), (2240, 57507), (2320, 55524), (2436, 52880), (2644, 48720), (2784, 46270), (3045, 42304), (3248, 39660), (3305, 38976), (3360, 38338), (3480, 37016), (3966, 32480), (4060, 31728), (4627, 27840), (4640, 27762), (4872, 26440), (5288, 24360), (5568, 23135), (6090, 21152), (6496, 19830), (6610, 19488), (6720, 19169), (6960, 18508), (7932, 16240), (8120, 15864), (9254, 13920), (9280, 13881), (9744, 13220), (9915, 12992), (10576, 12180)]