320748736

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 821037728

約数和(自身を除く): 500288992

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 97, 112, 121, 122, 154, 176, 194, 224, 242, 244, 308, 352, 388, 427, 448, 484, 488, 616, 671, 679, 704, 776, 847, 854, 968, 976, 1067, 1232, 1342, 1358, 1552, 1694, 1708, 1936, 1952, 2134, 2464, 2684, 2716, 3104, 3388, 3416, 3872, 3904, 4268, 4697, 4928, 5368, 5432, 5917, 6208, 6776, 6832, 7381, 7469, 7744, 8536, 9394, 10736, 10864, 11737, 11834, 13552, 13664, 14762, 14938, 17072, 18788, 21472, 21728, 23474, 23668, 27104, 27328, 29524, 29876, 34144, 37576, 41419, 42944, 43456, 46948, 47336, 51667, 54208, 59048, 59752, 65087, 68288, 75152, 82159, 82838, 93896, 94672, 103334, 118096, 119504, 130174, 150304, 164318, 165676, 187792, 189344, 206668, 236192, 239008, 260348, 300608, 328636, 331352, 375584, 378688, 413336, 455609, 472384, 478016, 520696, 657272, 662704, 715957, 751168, 826672, 911218, 1041392, 1314544, 1325408, 1431914, 1653344, 1822436, 2082784, 2629088, 2650816, 2863828, 3306688, 3644872, 4165568, 5011699, 5258176, 5727656, 7289744, 10023398, 11455312, 14579488, 20046796, 22910624, 29158976, 40093592, 45821248, 80187184, 160374368, 320748736]

約数ペア:

[(1, 320748736), (2, 160374368), (4, 80187184), (7, 45821248), (8, 40093592), (11, 29158976), (14, 22910624), (16, 20046796), (22, 14579488), (28, 11455312), (32, 10023398), (44, 7289744), (56, 5727656), (61, 5258176), (64, 5011699), (77, 4165568), (88, 3644872), (97, 3306688), (112, 2863828), (121, 2650816), (122, 2629088), (154, 2082784), (176, 1822436), (194, 1653344), (224, 1431914), (242, 1325408), (244, 1314544), (308, 1041392), (352, 911218), (388, 826672), (427, 751168), (448, 715957), (484, 662704), (488, 657272), (616, 520696), (671, 478016), (679, 472384), (704, 455609), (776, 413336), (847, 378688), (854, 375584), (968, 331352), (976, 328636), (1067, 300608), (1232, 260348), (1342, 239008), (1358, 236192), (1552, 206668), (1694, 189344), (1708, 187792), (1936, 165676), (1952, 164318), (2134, 150304), (2464, 130174), (2684, 119504), (2716, 118096), (3104, 103334), (3388, 94672), (3416, 93896), (3872, 82838), (3904, 82159), (4268, 75152), (4697, 68288), (4928, 65087), (5368, 59752), (5432, 59048), (5917, 54208), (6208, 51667), (6776, 47336), (6832, 46948), (7381, 43456), (7469, 42944), (7744, 41419), (8536, 37576), (9394, 34144), (10736, 29876), (10864, 29524), (11737, 27328), (11834, 27104), (13552, 23668), (13664, 23474), (14762, 21728), (14938, 21472), (17072, 18788)]