285728080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 797091840

約数和(自身を除く): 511363760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 80, 88, 92, 95, 110, 115, 152, 176, 184, 190, 209, 220, 230, 253, 304, 368, 380, 418, 437, 440, 460, 506, 743, 760, 836, 874, 880, 920, 1012, 1045, 1265, 1486, 1520, 1672, 1748, 1840, 2024, 2090, 2185, 2530, 2972, 3344, 3496, 3715, 4048, 4180, 4370, 4807, 5060, 5944, 6992, 7430, 8173, 8360, 8740, 9614, 10120, 11888, 14117, 14860, 16346, 16720, 17089, 17480, 19228, 20240, 24035, 28234, 29720, 32692, 34178, 34960, 38456, 40865, 48070, 56468, 59440, 65384, 68356, 70585, 76912, 81730, 85445, 96140, 112936, 130768, 136712, 141170, 155287, 163460, 170890, 187979, 192280, 225872, 273424, 282340, 310574, 324691, 326920, 341780, 375958, 384560, 564680, 621148, 649382, 653840, 683560, 751916, 776435, 939895, 1129360, 1242296, 1298764, 1367120, 1503832, 1552870, 1623455, 1879790, 2484592, 2597528, 3007664, 3105740, 3246910, 3571601, 3759580, 5195056, 6211480, 6493820, 7143202, 7519160, 12422960, 12987640, 14286404, 15038320, 17858005, 25975280, 28572808, 35716010, 57145616, 71432020, 142864040, 285728080]

約数ペア:

[(1, 285728080), (2, 142864040), (4, 71432020), (5, 57145616), (8, 35716010), (10, 28572808), (11, 25975280), (16, 17858005), (19, 15038320), (20, 14286404), (22, 12987640), (23, 12422960), (38, 7519160), (40, 7143202), (44, 6493820), (46, 6211480), (55, 5195056), (76, 3759580), (80, 3571601), (88, 3246910), (92, 3105740), (95, 3007664), (110, 2597528), (115, 2484592), (152, 1879790), (176, 1623455), (184, 1552870), (190, 1503832), (209, 1367120), (220, 1298764), (230, 1242296), (253, 1129360), (304, 939895), (368, 776435), (380, 751916), (418, 683560), (437, 653840), (440, 649382), (460, 621148), (506, 564680), (743, 384560), (760, 375958), (836, 341780), (874, 326920), (880, 324691), (920, 310574), (1012, 282340), (1045, 273424), (1265, 225872), (1486, 192280), (1520, 187979), (1672, 170890), (1748, 163460), (1840, 155287), (2024, 141170), (2090, 136712), (2185, 130768), (2530, 112936), (2972, 96140), (3344, 85445), (3496, 81730), (3715, 76912), (4048, 70585), (4180, 68356), (4370, 65384), (4807, 59440), (5060, 56468), (5944, 48070), (6992, 40865), (7430, 38456), (8173, 34960), (8360, 34178), (8740, 32692), (9614, 29720), (10120, 28234), (11888, 24035), (14117, 20240), (14860, 19228), (16346, 17480), (16720, 17089)]