161756448

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 144

約数和(自身を含む): 499522464

約数和(自身を除く): 337766016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 137, 147, 168, 196, 224, 251, 274, 294, 336, 392, 411, 502, 548, 588, 672, 753, 784, 822, 959, 1004, 1096, 1176, 1506, 1568, 1644, 1757, 1918, 2008, 2192, 2352, 2877, 3012, 3288, 3514, 3836, 4016, 4384, 4704, 5271, 5754, 6024, 6576, 6713, 7028, 7672, 8032, 10542, 11508, 12048, 12299, 13152, 13426, 14056, 15344, 20139, 21084, 23016, 24096, 24598, 26852, 28112, 30688, 34387, 36897, 40278, 42168, 46032, 49196, 53704, 56224, 68774, 73794, 80556, 84336, 92064, 98392, 103161, 107408, 137548, 147588, 161112, 168672, 196784, 206322, 214816, 240709, 275096, 295176, 322224, 393568, 412644, 481418, 550192, 590352, 644448, 722127, 825288, 962836, 1100384, 1180704, 1444254, 1650576, 1684963, 1925672, 2888508, 3301152, 3369926, 3851344, 5054889, 5777016, 6739852, 7702688, 10109778, 11554032, 13479704, 20219556, 23108064, 26959408, 40439112, 53918816, 80878224, 161756448]

約数ペア:

[(1, 161756448), (2, 80878224), (3, 53918816), (4, 40439112), (6, 26959408), (7, 23108064), (8, 20219556), (12, 13479704), (14, 11554032), (16, 10109778), (21, 7702688), (24, 6739852), (28, 5777016), (32, 5054889), (42, 3851344), (48, 3369926), (49, 3301152), (56, 2888508), (84, 1925672), (96, 1684963), (98, 1650576), (112, 1444254), (137, 1180704), (147, 1100384), (168, 962836), (196, 825288), (224, 722127), (251, 644448), (274, 590352), (294, 550192), (336, 481418), (392, 412644), (411, 393568), (502, 322224), (548, 295176), (588, 275096), (672, 240709), (753, 214816), (784, 206322), (822, 196784), (959, 168672), (1004, 161112), (1096, 147588), (1176, 137548), (1506, 107408), (1568, 103161), (1644, 98392), (1757, 92064), (1918, 84336), (2008, 80556), (2192, 73794), (2352, 68774), (2877, 56224), (3012, 53704), (3288, 49196), (3514, 46032), (3836, 42168), (4016, 40278), (4384, 36897), (4704, 34387), (5271, 30688), (5754, 28112), (6024, 26852), (6576, 24598), (6713, 24096), (7028, 23016), (7672, 21084), (8032, 20139), (10542, 15344), (11508, 14056), (12048, 13426), (12299, 13152)]