145281920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{32429}}^1$

素因数の和:32455

約数の個数: 64

約数和(自身を含む): 396943200

約数和(自身を除く): 251661280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 32429, 64858, 129716, 162145, 227003, 259432, 324290, 454006, 518864, 648580, 908012, 1037728, 1135015, 1297160, 1816024, 2075456, 2270030, 2594320, 3632048, 4150912, 4540060, 5188640, 7264096, 9080120, 10377280, 14528192, 18160240, 20754560, 29056384, 36320480, 72640960, 145281920]

約数ペア:

[(1, 145281920), (2, 72640960), (4, 36320480), (5, 29056384), (7, 20754560), (8, 18160240), (10, 14528192), (14, 10377280), (16, 9080120), (20, 7264096), (28, 5188640), (32, 4540060), (35, 4150912), (40, 3632048), (56, 2594320), (64, 2270030), (70, 2075456), (80, 1816024), (112, 1297160), (128, 1135015), (140, 1037728), (160, 908012), (224, 648580), (280, 518864), (320, 454006), (448, 324290), (560, 259432), (640, 227003), (896, 162145), (1120, 129716), (2240, 64858), (4480, 32429)]