173061728

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 431207280

約数和(自身を除く): 258145552

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 49, 56, 74, 76, 98, 112, 133, 148, 152, 157, 196, 224, 259, 266, 296, 304, 314, 392, 518, 532, 592, 608, 628, 703, 784, 931, 1036, 1064, 1099, 1184, 1256, 1406, 1568, 1813, 1862, 2072, 2128, 2198, 2512, 2812, 2983, 3626, 3724, 4144, 4256, 4396, 4921, 5024, 5624, 5809, 5966, 7252, 7448, 7693, 8288, 8792, 9842, 11248, 11618, 11932, 14504, 14896, 15386, 17584, 19684, 20881, 22496, 23236, 23864, 29008, 29792, 30772, 34447, 35168, 39368, 40663, 41762, 46472, 47728, 58016, 61544, 68894, 78736, 81326, 83524, 92944, 95456, 110371, 123088, 137788, 146167, 157472, 162652, 167048, 185888, 220742, 246176, 275576, 284641, 292334, 325304, 334096, 441484, 551152, 569282, 584668, 650608, 668192, 772597, 882968, 1102304, 1138564, 1169336, 1301216, 1545194, 1765936, 2277128, 2338672, 3090388, 3531872, 4554256, 4677344, 5408179, 6180776, 9108512, 10816358, 12361552, 21632716, 24723104, 43265432, 86530864, 173061728]

約数ペア:

[(1, 173061728), (2, 86530864), (4, 43265432), (7, 24723104), (8, 21632716), (14, 12361552), (16, 10816358), (19, 9108512), (28, 6180776), (32, 5408179), (37, 4677344), (38, 4554256), (49, 3531872), (56, 3090388), (74, 2338672), (76, 2277128), (98, 1765936), (112, 1545194), (133, 1301216), (148, 1169336), (152, 1138564), (157, 1102304), (196, 882968), (224, 772597), (259, 668192), (266, 650608), (296, 584668), (304, 569282), (314, 551152), (392, 441484), (518, 334096), (532, 325304), (592, 292334), (608, 284641), (628, 275576), (703, 246176), (784, 220742), (931, 185888), (1036, 167048), (1064, 162652), (1099, 157472), (1184, 146167), (1256, 137788), (1406, 123088), (1568, 110371), (1813, 95456), (1862, 92944), (2072, 83524), (2128, 81326), (2198, 78736), (2512, 68894), (2812, 61544), (2983, 58016), (3626, 47728), (3724, 46472), (4144, 41762), (4256, 40663), (4396, 39368), (4921, 35168), (5024, 34447), (5624, 30772), (5809, 29792), (5966, 29008), (7252, 23864), (7448, 23236), (7693, 22496), (8288, 20881), (8792, 19684), (9842, 17584), (11248, 15386), (11618, 14896), (11932, 14504)]