159856816

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 381672000

約数和(自身を除く): 221815184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 79, 89, 98, 112, 116, 158, 178, 196, 203, 232, 316, 356, 392, 406, 464, 553, 623, 632, 712, 784, 812, 1106, 1246, 1264, 1421, 1424, 1624, 2212, 2291, 2492, 2581, 2842, 3248, 3871, 4361, 4424, 4582, 4984, 5162, 5684, 7031, 7742, 8722, 8848, 9164, 9968, 10324, 11368, 14062, 15484, 16037, 17444, 18067, 18328, 20648, 22736, 28124, 30968, 32074, 34888, 36134, 36656, 41296, 49217, 56248, 61936, 64148, 69776, 72268, 98434, 112259, 112496, 126469, 128296, 144536, 196868, 203899, 224518, 252938, 256592, 289072, 344519, 393736, 407798, 449036, 505876, 689038, 787472, 815596, 898072, 1011752, 1378076, 1427293, 1631192, 1796144, 2023504, 2756152, 2854586, 3262384, 5512304, 5709172, 9991051, 11418344, 19982102, 22836688, 39964204, 79928408, 159856816]

約数ペア:

[(1, 159856816), (2, 79928408), (4, 39964204), (7, 22836688), (8, 19982102), (14, 11418344), (16, 9991051), (28, 5709172), (29, 5512304), (49, 3262384), (56, 2854586), (58, 2756152), (79, 2023504), (89, 1796144), (98, 1631192), (112, 1427293), (116, 1378076), (158, 1011752), (178, 898072), (196, 815596), (203, 787472), (232, 689038), (316, 505876), (356, 449036), (392, 407798), (406, 393736), (464, 344519), (553, 289072), (623, 256592), (632, 252938), (712, 224518), (784, 203899), (812, 196868), (1106, 144536), (1246, 128296), (1264, 126469), (1421, 112496), (1424, 112259), (1624, 98434), (2212, 72268), (2291, 69776), (2492, 64148), (2581, 61936), (2842, 56248), (3248, 49217), (3871, 41296), (4361, 36656), (4424, 36134), (4582, 34888), (4984, 32074), (5162, 30968), (5684, 28124), (7031, 22736), (7742, 20648), (8722, 18328), (8848, 18067), (9164, 17444), (9968, 16037), (10324, 15484), (11368, 14062)]