66720368

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 153760992

約数和(自身を除く): 87040624

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 241, 242, 286, 482, 484, 572, 964, 968, 1144, 1331, 1573, 1928, 1936, 2288, 2651, 2662, 3133, 3146, 3856, 5302, 5324, 6266, 6292, 10604, 10648, 12532, 12584, 17303, 21208, 21296, 25064, 25168, 29161, 34463, 34606, 42416, 50128, 58322, 68926, 69212, 116644, 137852, 138424, 233288, 275704, 276848, 320771, 379093, 466576, 551408, 641542, 758186, 1283084, 1516372, 2566168, 3032744, 4170023, 5132336, 6065488, 8340046, 16680092, 33360184, 66720368]

約数ペア:

[(1, 66720368), (2, 33360184), (4, 16680092), (8, 8340046), (11, 6065488), (13, 5132336), (16, 4170023), (22, 3032744), (26, 2566168), (44, 1516372), (52, 1283084), (88, 758186), (104, 641542), (121, 551408), (143, 466576), (176, 379093), (208, 320771), (241, 276848), (242, 275704), (286, 233288), (482, 138424), (484, 137852), (572, 116644), (964, 69212), (968, 68926), (1144, 58322), (1331, 50128), (1573, 42416), (1928, 34606), (1936, 34463), (2288, 29161), (2651, 25168), (2662, 25064), (3133, 21296), (3146, 21208), (3856, 17303), (5302, 12584), (5324, 12532), (6266, 10648), (6292, 10604)]