15964256

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 42900480

約数和(自身を除く): 26936224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 31, 32, 38, 44, 56, 62, 76, 77, 88, 112, 121, 124, 133, 152, 154, 176, 209, 217, 224, 242, 248, 266, 304, 308, 341, 352, 418, 434, 484, 496, 532, 589, 608, 616, 682, 836, 847, 868, 968, 992, 1064, 1178, 1232, 1364, 1463, 1672, 1694, 1736, 1936, 2128, 2299, 2356, 2387, 2464, 2728, 2926, 3344, 3388, 3472, 3751, 3872, 4123, 4256, 4598, 4712, 4774, 5456, 5852, 6479, 6688, 6776, 6944, 7502, 8246, 9196, 9424, 9548, 10912, 11704, 12958, 13552, 15004, 16093, 16492, 18392, 18848, 19096, 23408, 25916, 26257, 27104, 30008, 32186, 32984, 36784, 38192, 45353, 46816, 51832, 52514, 60016, 64372, 65968, 71269, 73568, 76384, 90706, 103664, 105028, 120032, 128744, 131936, 142538, 181412, 207328, 210056, 257488, 285076, 362824, 420112, 498883, 514976, 570152, 725648, 840224, 997766, 1140304, 1451296, 1995532, 2280608, 3991064, 7982128, 15964256]

約数ペア:

[(1, 15964256), (2, 7982128), (4, 3991064), (7, 2280608), (8, 1995532), (11, 1451296), (14, 1140304), (16, 997766), (19, 840224), (22, 725648), (28, 570152), (31, 514976), (32, 498883), (38, 420112), (44, 362824), (56, 285076), (62, 257488), (76, 210056), (77, 207328), (88, 181412), (112, 142538), (121, 131936), (124, 128744), (133, 120032), (152, 105028), (154, 103664), (176, 90706), (209, 76384), (217, 73568), (224, 71269), (242, 65968), (248, 64372), (266, 60016), (304, 52514), (308, 51832), (341, 46816), (352, 45353), (418, 38192), (434, 36784), (484, 32984), (496, 32186), (532, 30008), (589, 27104), (608, 26257), (616, 25916), (682, 23408), (836, 19096), (847, 18848), (868, 18392), (968, 16492), (992, 16093), (1064, 15004), (1178, 13552), (1232, 12958), (1364, 11704), (1463, 10912), (1672, 9548), (1694, 9424), (1736, 9196), (1936, 8246), (2128, 7502), (2299, 6944), (2356, 6776), (2387, 6688), (2464, 6479), (2728, 5852), (2926, 5456), (3344, 4774), (3388, 4712), (3472, 4598), (3751, 4256), (3872, 4123)]