15721776784

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{65381}}^1$

素因数の和:65528

約数の個数: 80

約数和(自身を含む): 36969598080

約数和(自身を除く): 21247821296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 113, 133, 152, 226, 266, 304, 452, 532, 791, 904, 1064, 1582, 1808, 2128, 2147, 3164, 4294, 6328, 8588, 12656, 15029, 17176, 30058, 34352, 60116, 65381, 120232, 130762, 240464, 261524, 457667, 523048, 915334, 1046096, 1242239, 1830668, 2484478, 3661336, 4968956, 7322672, 7388053, 8695673, 9937912, 14776106, 17391346, 19875824, 29552212, 34782692, 51716371, 59104424, 69565384, 103432742, 118208848, 139130768, 140373007, 206865484, 280746014, 413730968, 561492028, 827461936, 982611049, 1122984056, 1965222098, 2245968112, 3930444196, 7860888392, 15721776784]

約数ペア:

[(1, 15721776784), (2, 7860888392), (4, 3930444196), (7, 2245968112), (8, 1965222098), (14, 1122984056), (16, 982611049), (19, 827461936), (28, 561492028), (38, 413730968), (56, 280746014), (76, 206865484), (112, 140373007), (113, 139130768), (133, 118208848), (152, 103432742), (226, 69565384), (266, 59104424), (304, 51716371), (452, 34782692), (532, 29552212), (791, 19875824), (904, 17391346), (1064, 14776106), (1582, 9937912), (1808, 8695673), (2128, 7388053), (2147, 7322672), (3164, 4968956), (4294, 3661336), (6328, 2484478), (8588, 1830668), (12656, 1242239), (15029, 1046096), (17176, 915334), (30058, 523048), (34352, 457667), (60116, 261524), (65381, 240464), (120232, 130762)]