128320680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 294693720

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, 2447, 2622, 2760, 3496, 4370, 4894, 5244, 6555, 7341, 8740, 9788, 10488, 12235, 13110, 14682, 17480, 19576, 24470, 26220, 29364, 36705, 46493, 48940, 52440, 56281, 58728, 73410, 92986, 97880, 112562, 139479, 146820, 168843, 185972, 225124, 232465, 278958, 281405, 293640, 337686, 371944, 450248, 464930, 557916, 562810, 675372, 697395, 844215, 929860, 1069339, 1115832, 1125620, 1350744, 1394790, 1688430, 1859720, 2138678, 2251240, 2789580, 3208017, 3376860, 4277356, 5346695, 5579160, 6416034, 6753720, 8554712, 10693390, 12832068, 16040085, 21386780, 25664136, 32080170, 42773560, 64160340, 128320680]

約数ペア:

[(1, 128320680), (2, 64160340), (3, 42773560), (4, 32080170), (5, 25664136), (6, 21386780), (8, 16040085), (10, 12832068), (12, 10693390), (15, 8554712), (19, 6753720), (20, 6416034), (23, 5579160), (24, 5346695), (30, 4277356), (38, 3376860), (40, 3208017), (46, 2789580), (57, 2251240), (60, 2138678), (69, 1859720), (76, 1688430), (92, 1394790), (95, 1350744), (114, 1125620), (115, 1115832), (120, 1069339), (138, 929860), (152, 844215), (184, 697395), (190, 675372), (228, 562810), (230, 557916), (276, 464930), (285, 450248), (345, 371944), (380, 337686), (437, 293640), (456, 281405), (460, 278958), (552, 232465), (570, 225124), (690, 185972), (760, 168843), (874, 146820), (920, 139479), (1140, 112562), (1311, 97880), (1380, 92986), (1748, 73410), (2185, 58728), (2280, 56281), (2447, 52440), (2622, 48940), (2760, 46493), (3496, 36705), (4370, 29364), (4894, 26220), (5244, 24470), (6555, 19576), (7341, 17480), (8740, 14682), (9788, 13110), (10488, 12235)]