171228540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 563068800

約数和(自身を除く): 391840260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 196, 210, 245, 278, 294, 417, 419, 420, 490, 556, 588, 695, 735, 834, 838, 973, 980, 1257, 1390, 1470, 1668, 1676, 1946, 2085, 2095, 2514, 2780, 2919, 2933, 2940, 3892, 4170, 4190, 4865, 5028, 5838, 5866, 6285, 6811, 8340, 8380, 8799, 9730, 11676, 11732, 12570, 13622, 14595, 14665, 17598, 19460, 20433, 20531, 25140, 27244, 29190, 29330, 34055, 35196, 40866, 41062, 43995, 58241, 58380, 58660, 61593, 68110, 81732, 82124, 87990, 102165, 102655, 116482, 123186, 136220, 174723, 175980, 204330, 205310, 232964, 246372, 291205, 307965, 349446, 407687, 408660, 410620, 582410, 615930, 698892, 815374, 873615, 1164820, 1223061, 1231860, 1630748, 1747230, 2038435, 2446122, 2853809, 3494460, 4076870, 4892244, 5707618, 6115305, 8153740, 8561427, 11415236, 12230610, 14269045, 17122854, 24461220, 28538090, 34245708, 42807135, 57076180, 85614270, 171228540]

約数ペア:

[(1, 171228540), (2, 85614270), (3, 57076180), (4, 42807135), (5, 34245708), (6, 28538090), (7, 24461220), (10, 17122854), (12, 14269045), (14, 12230610), (15, 11415236), (20, 8561427), (21, 8153740), (28, 6115305), (30, 5707618), (35, 4892244), (42, 4076870), (49, 3494460), (60, 2853809), (70, 2446122), (84, 2038435), (98, 1747230), (105, 1630748), (139, 1231860), (140, 1223061), (147, 1164820), (196, 873615), (210, 815374), (245, 698892), (278, 615930), (294, 582410), (417, 410620), (419, 408660), (420, 407687), (490, 349446), (556, 307965), (588, 291205), (695, 246372), (735, 232964), (834, 205310), (838, 204330), (973, 175980), (980, 174723), (1257, 136220), (1390, 123186), (1470, 116482), (1668, 102655), (1676, 102165), (1946, 87990), (2085, 82124), (2095, 81732), (2514, 68110), (2780, 61593), (2919, 58660), (2933, 58380), (2940, 58241), (3892, 43995), (4170, 41062), (4190, 40866), (4865, 35196), (5028, 34055), (5838, 29330), (5866, 29190), (6285, 27244), (6811, 25140), (8340, 20531), (8380, 20433), (8799, 19460), (9730, 17598), (11676, 14665), (11732, 14595), (12570, 13622)]