718813521520

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2399}}^1\times {\mathrm{15541}}^1$

素因数の和:18194

約数の個数: 80

約数和(自身を含む): 1678983609600

約数和(自身を除く): 960170088080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2399, 2410, 3856, 4798, 4820, 9596, 9640, 11995, 15541, 19192, 19280, 23990, 31082, 38384, 47980, 62164, 77705, 95960, 124328, 155410, 191920, 248656, 310820, 578159, 621640, 1156318, 1243280, 2312636, 2890795, 3745381, 4625272, 5781590, 7490762, 9250544, 11563180, 14981524, 18726905, 23126360, 29963048, 37282859, 37453810, 46252720, 59926096, 74565718, 74907620, 149131436, 149815240, 186414295, 298262872, 299630480, 372828590, 596525744, 745657180, 1491314360, 2982628720, 8985169019, 17970338038, 35940676076, 44925845095, 71881352152, 89851690190, 143762704304, 179703380380, 359406760760, 718813521520]

約数ペア:

[(1, 718813521520), (2, 359406760760), (4, 179703380380), (5, 143762704304), (8, 89851690190), (10, 71881352152), (16, 44925845095), (20, 35940676076), (40, 17970338038), (80, 8985169019), (241, 2982628720), (482, 1491314360), (964, 745657180), (1205, 596525744), (1928, 372828590), (2399, 299630480), (2410, 298262872), (3856, 186414295), (4798, 149815240), (4820, 149131436), (9596, 74907620), (9640, 74565718), (11995, 59926096), (15541, 46252720), (19192, 37453810), (19280, 37282859), (23990, 29963048), (31082, 23126360), (38384, 18726905), (47980, 14981524), (62164, 11563180), (77705, 9250544), (95960, 7490762), (124328, 5781590), (155410, 4625272), (191920, 3745381), (248656, 2890795), (310820, 2312636), (578159, 1243280), (621640, 1156318)]