15664516960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 38197465488

約数和(自身を除く): 22532948528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 83, 122, 160, 166, 244, 305, 317, 332, 415, 488, 610, 634, 664, 830, 976, 1220, 1268, 1328, 1585, 1660, 1952, 2440, 2536, 2656, 3170, 3320, 3721, 4880, 5063, 5072, 6340, 6640, 7442, 9760, 10126, 10144, 12680, 13280, 14884, 18605, 19337, 20252, 25315, 25360, 26311, 29768, 37210, 38674, 40504, 50630, 50720, 52622, 59536, 74420, 77348, 81008, 96685, 101260, 105244, 119072, 131555, 148840, 154696, 162016, 193370, 202520, 210488, 263110, 297680, 308843, 309392, 386740, 405040, 420976, 526220, 595360, 617686, 618784, 773480, 810080, 841952, 1052440, 1179557, 1235372, 1544215, 1546960, 1604971, 2104880, 2359114, 2470744, 3088430, 3093920, 3209942, 4209760, 4718228, 4941488, 5897785, 6176860, 6419884, 8024855, 9436456, 9882976, 11795570, 12353720, 12839768, 16049710, 18872912, 23591140, 24707440, 25679536, 32099420, 37745824, 47182280, 49414880, 51359072, 64198840, 94364560, 97903231, 128397680, 188729120, 195806462, 256795360, 391612924, 489516155, 783225848, 979032310, 1566451696, 1958064620, 3132903392, 3916129240, 7832258480, 15664516960]

約数ペア:

[(1, 15664516960), (2, 7832258480), (4, 3916129240), (5, 3132903392), (8, 1958064620), (10, 1566451696), (16, 979032310), (20, 783225848), (32, 489516155), (40, 391612924), (61, 256795360), (80, 195806462), (83, 188729120), (122, 128397680), (160, 97903231), (166, 94364560), (244, 64198840), (305, 51359072), (317, 49414880), (332, 47182280), (415, 37745824), (488, 32099420), (610, 25679536), (634, 24707440), (664, 23591140), (830, 18872912), (976, 16049710), (1220, 12839768), (1268, 12353720), (1328, 11795570), (1585, 9882976), (1660, 9436456), (1952, 8024855), (2440, 6419884), (2536, 6176860), (2656, 5897785), (3170, 4941488), (3320, 4718228), (3721, 4209760), (4880, 3209942), (5063, 3093920), (5072, 3088430), (6340, 2470744), (6640, 2359114), (7442, 2104880), (9760, 1604971), (10126, 1546960), (10144, 1544215), (12680, 1235372), (13280, 1179557), (14884, 1052440), (18605, 841952), (19337, 810080), (20252, 773480), (25315, 618784), (25360, 617686), (26311, 595360), (29768, 526220), (37210, 420976), (38674, 405040), (40504, 386740), (50630, 309392), (50720, 308843), (52622, 297680), (59536, 263110), (74420, 210488), (77348, 202520), (81008, 193370), (96685, 162016), (101260, 154696), (105244, 148840), (119072, 131555)]