28739160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 94479840

約数和(自身を除く): 65740680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 823, 873, 970, 1164, 1455, 1646, 1746, 1940, 2328, 2469, 2910, 3292, 3492, 3880, 4115, 4365, 4938, 5820, 6584, 6984, 7407, 8230, 8730, 9876, 11640, 12345, 14814, 16460, 17460, 19752, 24690, 29628, 32920, 34920, 37035, 49380, 59256, 74070, 79831, 98760, 148140, 159662, 239493, 296280, 319324, 399155, 478986, 638648, 718479, 798310, 957972, 1197465, 1436958, 1596620, 1915944, 2394930, 2873916, 3193240, 3592395, 4789860, 5747832, 7184790, 9579720, 14369580, 28739160]

約数ペア:

[(1, 28739160), (2, 14369580), (3, 9579720), (4, 7184790), (5, 5747832), (6, 4789860), (8, 3592395), (9, 3193240), (10, 2873916), (12, 2394930), (15, 1915944), (18, 1596620), (20, 1436958), (24, 1197465), (30, 957972), (36, 798310), (40, 718479), (45, 638648), (60, 478986), (72, 399155), (90, 319324), (97, 296280), (120, 239493), (180, 159662), (194, 148140), (291, 98760), (360, 79831), (388, 74070), (485, 59256), (582, 49380), (776, 37035), (823, 34920), (873, 32920), (970, 29628), (1164, 24690), (1455, 19752), (1646, 17460), (1746, 16460), (1940, 14814), (2328, 12345), (2469, 11640), (2910, 9876), (3292, 8730), (3492, 8230), (3880, 7407), (4115, 6984), (4365, 6584), (4938, 5820)]