247071440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2161

約数の個数: 160

約数和(自身を含む): 754237440

約数和(自身を除く): 507166000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1463, 1520, 1540, 1672, 2090, 2111, 2128, 2660, 2926, 3080, 3344, 4180, 4222, 5320, 5852, 6160, 7315, 8360, 8444, 10555, 10640, 11704, 14630, 14777, 16720, 16888, 21110, 23221, 23408, 29260, 29554, 33776, 40109, 42220, 46442, 58520, 59108, 73885, 80218, 84440, 92884, 116105, 117040, 118216, 147770, 160436, 162547, 168880, 185768, 200545, 232210, 236432, 280763, 295540, 320872, 325094, 371536, 401090, 441199, 464420, 561526, 591080, 641744, 650188, 802180, 812735, 882398, 928840, 1123052, 1182160, 1300376, 1403815, 1604360, 1625470, 1764796, 1857680, 2205995, 2246104, 2600752, 2807630, 3088393, 3208720, 3250940, 3529592, 4411990, 4492208, 5615260, 6176786, 6501880, 7059184, 8823980, 11230520, 12353572, 13003760, 15441965, 17647960, 22461040, 24707144, 30883930, 35295920, 49414288, 61767860, 123535720, 247071440]

約数ペア:

[(1, 247071440), (2, 123535720), (4, 61767860), (5, 49414288), (7, 35295920), (8, 30883930), (10, 24707144), (11, 22461040), (14, 17647960), (16, 15441965), (19, 13003760), (20, 12353572), (22, 11230520), (28, 8823980), (35, 7059184), (38, 6501880), (40, 6176786), (44, 5615260), (55, 4492208), (56, 4411990), (70, 3529592), (76, 3250940), (77, 3208720), (80, 3088393), (88, 2807630), (95, 2600752), (110, 2246104), (112, 2205995), (133, 1857680), (140, 1764796), (152, 1625470), (154, 1604360), (176, 1403815), (190, 1300376), (209, 1182160), (220, 1123052), (266, 928840), (280, 882398), (304, 812735), (308, 802180), (380, 650188), (385, 641744), (418, 591080), (440, 561526), (532, 464420), (560, 441199), (616, 401090), (665, 371536), (760, 325094), (770, 320872), (836, 295540), (880, 280763), (1045, 236432), (1064, 232210), (1232, 200545), (1330, 185768), (1463, 168880), (1520, 162547), (1540, 160436), (1672, 147770), (2090, 118216), (2111, 117040), (2128, 116105), (2660, 92884), (2926, 84440), (3080, 80218), (3344, 73885), (4180, 59108), (4222, 58520), (5320, 46442), (5852, 42220), (6160, 40109), (7315, 33776), (8360, 29554), (8444, 29260), (10555, 23408), (10640, 23221), (11704, 21110), (14630, 16888), (14777, 16720)]