28591680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 224

約数和(自身を含む): 102412800

約数和(自身を除く): 73821120

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, 79, 80, 87, 96, 104, 116, 120, 130, 145, 156, 158, 160, 174, 192, 195, 208, 232, 237, 240, 260, 290, 312, 316, 320, 348, 377, 390, 395, 416, 435, 464, 474, 480, 520, 580, 624, 632, 696, 754, 780, 790, 832, 870, 928, 948, 960, 1027, 1040, 1131, 1160, 1185, 1248, 1264, 1392, 1508, 1560, 1580, 1740, 1856, 1885, 1896, 2054, 2080, 2262, 2291, 2320, 2370, 2496, 2528, 2784, 3016, 3081, 3120, 3160, 3480, 3770, 3792, 4108, 4160, 4524, 4582, 4640, 4740, 5056, 5135, 5568, 5655, 6032, 6162, 6240, 6320, 6873, 6960, 7540, 7584, 8216, 9048, 9164, 9280, 9480, 10270, 11310, 11455, 12064, 12324, 12480, 12640, 13746, 13920, 15080, 15168, 15405, 16432, 18096, 18328, 18960, 20540, 22620, 22910, 24128, 24648, 25280, 27492, 27840, 29783, 30160, 30810, 32864, 34365, 36192, 36656, 37920, 41080, 45240, 45820, 49296, 54984, 59566, 60320, 61620, 65728, 68730, 72384, 73312, 75840, 82160, 89349, 90480, 91640, 98592, 109968, 119132, 120640, 123240, 137460, 146624, 148915, 164320, 178698, 180960, 183280, 197184, 219936, 238264, 246480, 274920, 297830, 328640, 357396, 361920, 366560, 439872, 446745, 476528, 492960, 549840, 595660, 714792, 733120, 893490, 953056, 985920, 1099680, 1191320, 1429584, 1786980, 1906112, 2199360, 2382640, 2859168, 3573960, 4765280, 5718336, 7147920, 9530560, 14295840, 28591680]

約数ペア:

[(1, 28591680), (2, 14295840), (3, 9530560), (4, 7147920), (5, 5718336), (6, 4765280), (8, 3573960), (10, 2859168), (12, 2382640), (13, 2199360), (15, 1906112), (16, 1786980), (20, 1429584), (24, 1191320), (26, 1099680), (29, 985920), (30, 953056), (32, 893490), (39, 733120), (40, 714792), (48, 595660), (52, 549840), (58, 492960), (60, 476528), (64, 446745), (65, 439872), (78, 366560), (79, 361920), (80, 357396), (87, 328640), (96, 297830), (104, 274920), (116, 246480), (120, 238264), (130, 219936), (145, 197184), (156, 183280), (158, 180960), (160, 178698), (174, 164320), (192, 148915), (195, 146624), (208, 137460), (232, 123240), (237, 120640), (240, 119132), (260, 109968), (290, 98592), (312, 91640), (316, 90480), (320, 89349), (348, 82160), (377, 75840), (390, 73312), (395, 72384), (416, 68730), (435, 65728), (464, 61620), (474, 60320), (480, 59566), (520, 54984), (580, 49296), (624, 45820), (632, 45240), (696, 41080), (754, 37920), (780, 36656), (790, 36192), (832, 34365), (870, 32864), (928, 30810), (948, 30160), (960, 29783), (1027, 27840), (1040, 27492), (1131, 25280), (1160, 24648), (1185, 24128), (1248, 22910), (1264, 22620), (1392, 20540), (1508, 18960), (1560, 18328), (1580, 18096), (1740, 16432), (1856, 15405), (1885, 15168), (1896, 15080), (2054, 13920), (2080, 13746), (2262, 12640), (2291, 12480), (2320, 12324), (2370, 12064), (2496, 11455), (2528, 11310), (2784, 10270), (3016, 9480), (3081, 9280), (3120, 9164), (3160, 9048), (3480, 8216), (3770, 7584), (3792, 7540), (4108, 6960), (4160, 6873), (4524, 6320), (4582, 6240), (4640, 6162), (4740, 6032), (5056, 5655), (5135, 5568)]