206980680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:4003

約数の個数: 128

約数和(自身を含む): 682214400

約数和(自身を除く): 475233720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 3947, 4370, 5244, 6555, 7894, 8740, 10488, 11841, 13110, 15788, 17480, 19735, 23682, 26220, 31576, 39470, 47364, 52440, 59205, 74993, 78940, 90781, 94728, 118410, 149986, 157880, 181562, 224979, 236820, 272343, 299972, 363124, 374965, 449958, 453905, 473640, 544686, 599944, 726248, 749930, 899916, 907810, 1089372, 1124895, 1361715, 1499860, 1724839, 1799832, 1815620, 2178744, 2249790, 2723430, 2999720, 3449678, 3631240, 4499580, 5174517, 5446860, 6899356, 8624195, 8999160, 10349034, 10893720, 13798712, 17248390, 20698068, 25872585, 34496780, 41396136, 51745170, 68993560, 103490340, 206980680]

約数ペア:

[(1, 206980680), (2, 103490340), (3, 68993560), (4, 51745170), (5, 41396136), (6, 34496780), (8, 25872585), (10, 20698068), (12, 17248390), (15, 13798712), (19, 10893720), (20, 10349034), (23, 8999160), (24, 8624195), (30, 6899356), (38, 5446860), (40, 5174517), (46, 4499580), (57, 3631240), (60, 3449678), (69, 2999720), (76, 2723430), (92, 2249790), (95, 2178744), (114, 1815620), (115, 1799832), (120, 1724839), (138, 1499860), (152, 1361715), (184, 1124895), (190, 1089372), (228, 907810), (230, 899916), (276, 749930), (285, 726248), (345, 599944), (380, 544686), (437, 473640), (456, 453905), (460, 449958), (552, 374965), (570, 363124), (690, 299972), (760, 272343), (874, 236820), (920, 224979), (1140, 181562), (1311, 157880), (1380, 149986), (1748, 118410), (2185, 94728), (2280, 90781), (2622, 78940), (2760, 74993), (3496, 59205), (3947, 52440), (4370, 47364), (5244, 39470), (6555, 31576), (7894, 26220), (8740, 23682), (10488, 19735), (11841, 17480), (13110, 15788)]