179216128

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 452132800

約数和(自身を除く): 272916672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 157, 182, 196, 208, 224, 256, 314, 343, 364, 392, 416, 448, 628, 637, 686, 728, 784, 832, 896, 1099, 1256, 1274, 1372, 1456, 1568, 1664, 1792, 2041, 2198, 2512, 2548, 2744, 2912, 3136, 3328, 4082, 4396, 4459, 5024, 5096, 5488, 5824, 6272, 7693, 8164, 8792, 8918, 10048, 10192, 10976, 11648, 12544, 14287, 15386, 16328, 17584, 17836, 20096, 20384, 21952, 23296, 28574, 30772, 32656, 35168, 35672, 40192, 40768, 43904, 53851, 57148, 61544, 65312, 70336, 71344, 81536, 87808, 100009, 107702, 114296, 123088, 130624, 140672, 142688, 163072, 200018, 215404, 228592, 246176, 261248, 281344, 285376, 400036, 430808, 457184, 492352, 522496, 570752, 700063, 800072, 861616, 914368, 984704, 1141504, 1400126, 1600144, 1723232, 1828736, 1969408, 2800252, 3200288, 3446464, 3657472, 5600504, 6400576, 6892928, 11201008, 12801152, 13785856, 22402016, 25602304, 44804032, 89608064, 179216128]

約数ペア:

[(1, 179216128), (2, 89608064), (4, 44804032), (7, 25602304), (8, 22402016), (13, 13785856), (14, 12801152), (16, 11201008), (26, 6892928), (28, 6400576), (32, 5600504), (49, 3657472), (52, 3446464), (56, 3200288), (64, 2800252), (91, 1969408), (98, 1828736), (104, 1723232), (112, 1600144), (128, 1400126), (157, 1141504), (182, 984704), (196, 914368), (208, 861616), (224, 800072), (256, 700063), (314, 570752), (343, 522496), (364, 492352), (392, 457184), (416, 430808), (448, 400036), (628, 285376), (637, 281344), (686, 261248), (728, 246176), (784, 228592), (832, 215404), (896, 200018), (1099, 163072), (1256, 142688), (1274, 140672), (1372, 130624), (1456, 123088), (1568, 114296), (1664, 107702), (1792, 100009), (2041, 87808), (2198, 81536), (2512, 71344), (2548, 70336), (2744, 65312), (2912, 61544), (3136, 57148), (3328, 53851), (4082, 43904), (4396, 40768), (4459, 40192), (5024, 35672), (5096, 35168), (5488, 32656), (5824, 30772), (6272, 28574), (7693, 23296), (8164, 21952), (8792, 20384), (8918, 20096), (10048, 17836), (10192, 17584), (10976, 16328), (11648, 15386), (12544, 14287)]