81439176

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 256032000

約数和(自身を除く): 174592824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 343, 364, 392, 546, 588, 637, 686, 728, 761, 1029, 1092, 1176, 1274, 1372, 1522, 1911, 2058, 2184, 2283, 2548, 2744, 3044, 3822, 4116, 4459, 4566, 5096, 5327, 6088, 7644, 8232, 8918, 9132, 9893, 10654, 13377, 15288, 15981, 17836, 18264, 19786, 21308, 26754, 29679, 31962, 35672, 37289, 39572, 42616, 53508, 59358, 63924, 69251, 74578, 79144, 107016, 111867, 118716, 127848, 138502, 149156, 207753, 223734, 237432, 261023, 277004, 298312, 415506, 447468, 484757, 522046, 554008, 783069, 831012, 894936, 969514, 1044092, 1454271, 1566138, 1662024, 1939028, 2088184, 2908542, 3132276, 3393299, 3878056, 5817084, 6264552, 6786598, 10179897, 11634168, 13573196, 20359794, 27146392, 40719588, 81439176]

約数ペア:

[(1, 81439176), (2, 40719588), (3, 27146392), (4, 20359794), (6, 13573196), (7, 11634168), (8, 10179897), (12, 6786598), (13, 6264552), (14, 5817084), (21, 3878056), (24, 3393299), (26, 3132276), (28, 2908542), (39, 2088184), (42, 1939028), (49, 1662024), (52, 1566138), (56, 1454271), (78, 1044092), (84, 969514), (91, 894936), (98, 831012), (104, 783069), (147, 554008), (156, 522046), (168, 484757), (182, 447468), (196, 415506), (273, 298312), (294, 277004), (312, 261023), (343, 237432), (364, 223734), (392, 207753), (546, 149156), (588, 138502), (637, 127848), (686, 118716), (728, 111867), (761, 107016), (1029, 79144), (1092, 74578), (1176, 69251), (1274, 63924), (1372, 59358), (1522, 53508), (1911, 42616), (2058, 39572), (2184, 37289), (2283, 35672), (2548, 31962), (2744, 29679), (3044, 26754), (3822, 21308), (4116, 19786), (4459, 18264), (4566, 17836), (5096, 15981), (5327, 15288), (6088, 13377), (7644, 10654), (8232, 9893), (8918, 9132)]