81266724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1590

約数の個数: 144

約数和(自身を含む): 269767680

約数和(自身を除く): 188500956

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 627, 684, 693, 798, 836, 924, 1197, 1254, 1386, 1463, 1543, 1596, 1881, 2394, 2508, 2772, 2926, 3086, 3762, 4389, 4629, 4788, 5852, 6172, 7524, 8778, 9258, 10801, 13167, 13887, 16973, 17556, 18516, 21602, 26334, 27774, 29317, 32403, 33946, 43204, 50919, 52668, 55548, 58634, 64806, 67892, 87951, 97209, 101838, 117268, 118811, 129612, 152757, 175902, 194418, 203676, 205219, 237622, 263853, 305514, 322487, 351804, 356433, 388836, 410438, 475244, 527706, 611028, 615657, 644974, 712866, 820876, 967461, 1055412, 1069299, 1231314, 1289948, 1425732, 1846971, 1934922, 2138598, 2257409, 2462628, 2902383, 3693942, 3869844, 4277196, 4514818, 5804766, 6772227, 7387884, 9029636, 11609532, 13544454, 20316681, 27088908, 40633362, 81266724]

約数ペア:

[(1, 81266724), (2, 40633362), (3, 27088908), (4, 20316681), (6, 13544454), (7, 11609532), (9, 9029636), (11, 7387884), (12, 6772227), (14, 5804766), (18, 4514818), (19, 4277196), (21, 3869844), (22, 3693942), (28, 2902383), (33, 2462628), (36, 2257409), (38, 2138598), (42, 1934922), (44, 1846971), (57, 1425732), (63, 1289948), (66, 1231314), (76, 1069299), (77, 1055412), (84, 967461), (99, 820876), (114, 712866), (126, 644974), (132, 615657), (133, 611028), (154, 527706), (171, 475244), (198, 410438), (209, 388836), (228, 356433), (231, 351804), (252, 322487), (266, 305514), (308, 263853), (342, 237622), (396, 205219), (399, 203676), (418, 194418), (462, 175902), (532, 152757), (627, 129612), (684, 118811), (693, 117268), (798, 101838), (836, 97209), (924, 87951), (1197, 67892), (1254, 64806), (1386, 58634), (1463, 55548), (1543, 52668), (1596, 50919), (1881, 43204), (2394, 33946), (2508, 32403), (2772, 29317), (2926, 27774), (3086, 26334), (3762, 21602), (4389, 18516), (4629, 17556), (4788, 16973), (5852, 13887), (6172, 13167), (7524, 10801), (8778, 9258)]