255767985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 492972480

約数和(自身を除く): 237204495

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 107, 121, 165, 321, 363, 439, 495, 535, 605, 963, 1089, 1177, 1317, 1605, 1815, 2195, 3531, 3951, 4815, 4829, 5445, 5885, 6585, 10593, 12947, 14487, 17655, 19755, 24145, 38841, 43461, 46973, 52965, 53119, 64735, 72435, 116523, 140919, 159357, 194205, 217305, 234865, 265595, 422757, 478071, 516703, 582615, 704595, 796785, 1550109, 2113785, 2390355, 2583515, 4650327, 5683733, 7750545, 17051199, 23251635, 28418665, 51153597, 85255995, 255767985]

約数ペア:

[(1, 255767985), (3, 85255995), (5, 51153597), (9, 28418665), (11, 23251635), (15, 17051199), (33, 7750545), (45, 5683733), (55, 4650327), (99, 2583515), (107, 2390355), (121, 2113785), (165, 1550109), (321, 796785), (363, 704595), (439, 582615), (495, 516703), (535, 478071), (605, 422757), (963, 265595), (1089, 234865), (1177, 217305), (1317, 194205), (1605, 159357), (1815, 140919), (2195, 116523), (3531, 72435), (3951, 64735), (4815, 53119), (4829, 52965), (5445, 46973), (5885, 43461), (6585, 38841), (10593, 24145), (12947, 19755), (14487, 17655)]