131521728

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 224

約数和(自身を含む): 409651200

約数和(自身を除く): 278129472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 29, 32, 39, 46, 48, 52, 58, 64, 69, 78, 79, 87, 92, 96, 104, 116, 138, 156, 158, 174, 184, 192, 208, 232, 237, 276, 299, 312, 316, 348, 368, 377, 416, 464, 474, 552, 598, 624, 632, 667, 696, 736, 754, 832, 897, 928, 948, 1027, 1104, 1131, 1196, 1248, 1264, 1334, 1392, 1472, 1508, 1794, 1817, 1856, 1896, 2001, 2054, 2208, 2262, 2291, 2392, 2496, 2528, 2668, 2784, 3016, 3081, 3588, 3634, 3792, 4002, 4108, 4416, 4524, 4582, 4784, 5056, 5336, 5451, 5568, 6032, 6162, 6873, 7176, 7268, 7584, 8004, 8216, 8671, 9048, 9164, 9568, 10672, 10902, 12064, 12324, 13746, 14352, 14536, 15168, 16008, 16432, 17342, 18096, 18328, 19136, 21344, 21804, 23621, 24128, 24648, 26013, 27492, 28704, 29072, 29783, 32016, 32864, 34684, 36192, 36656, 42688, 43608, 47242, 49296, 52026, 52693, 54984, 57408, 58144, 59566, 64032, 65728, 69368, 70863, 72384, 73312, 87216, 89349, 94484, 98592, 104052, 105386, 109968, 116288, 119132, 128064, 138736, 141726, 146624, 158079, 174432, 178698, 188968, 197184, 208104, 210772, 219936, 238264, 277472, 283452, 316158, 348864, 357396, 377936, 416208, 421544, 439872, 476528, 554944, 566904, 632316, 685009, 714792, 755872, 832416, 843088, 953056, 1133808, 1264632, 1370018, 1429584, 1511744, 1664832, 1686176, 1906112, 2055027, 2267616, 2529264, 2740036, 2859168, 3372352, 4110054, 4535232, 5058528, 5480072, 5718336, 8220108, 10117056, 10960144, 16440216, 21920288, 32880432, 43840576, 65760864, 131521728]

約数ペア:

[(1, 131521728), (2, 65760864), (3, 43840576), (4, 32880432), (6, 21920288), (8, 16440216), (12, 10960144), (13, 10117056), (16, 8220108), (23, 5718336), (24, 5480072), (26, 5058528), (29, 4535232), (32, 4110054), (39, 3372352), (46, 2859168), (48, 2740036), (52, 2529264), (58, 2267616), (64, 2055027), (69, 1906112), (78, 1686176), (79, 1664832), (87, 1511744), (92, 1429584), (96, 1370018), (104, 1264632), (116, 1133808), (138, 953056), (156, 843088), (158, 832416), (174, 755872), (184, 714792), (192, 685009), (208, 632316), (232, 566904), (237, 554944), (276, 476528), (299, 439872), (312, 421544), (316, 416208), (348, 377936), (368, 357396), (377, 348864), (416, 316158), (464, 283452), (474, 277472), (552, 238264), (598, 219936), (624, 210772), (632, 208104), (667, 197184), (696, 188968), (736, 178698), (754, 174432), (832, 158079), (897, 146624), (928, 141726), (948, 138736), (1027, 128064), (1104, 119132), (1131, 116288), (1196, 109968), (1248, 105386), (1264, 104052), (1334, 98592), (1392, 94484), (1472, 89349), (1508, 87216), (1794, 73312), (1817, 72384), (1856, 70863), (1896, 69368), (2001, 65728), (2054, 64032), (2208, 59566), (2262, 58144), (2291, 57408), (2392, 54984), (2496, 52693), (2528, 52026), (2668, 49296), (2784, 47242), (3016, 43608), (3081, 42688), (3588, 36656), (3634, 36192), (3792, 34684), (4002, 32864), (4108, 32016), (4416, 29783), (4524, 29072), (4582, 28704), (4784, 27492), (5056, 26013), (5336, 24648), (5451, 24128), (5568, 23621), (6032, 21804), (6162, 21344), (6873, 19136), (7176, 18328), (7268, 18096), (7584, 17342), (8004, 16432), (8216, 16008), (8671, 15168), (9048, 14536), (9164, 14352), (9568, 13746), (10672, 12324), (10902, 12064)]