180725440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{80681}}^1$

素因数の和:80705

約数の個数: 56

約数和(自身を含む): 491837472

約数和(自身を除く): 311112032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 80681, 161362, 322724, 403405, 564767, 645448, 806810, 1129534, 1290896, 1613620, 2259068, 2581792, 2823835, 3227240, 4518136, 5163584, 5647670, 6454480, 9036272, 11295340, 12908960, 18072544, 22590680, 25817920, 36145088, 45181360, 90362720, 180725440]

約数ペア:

[(1, 180725440), (2, 90362720), (4, 45181360), (5, 36145088), (7, 25817920), (8, 22590680), (10, 18072544), (14, 12908960), (16, 11295340), (20, 9036272), (28, 6454480), (32, 5647670), (35, 5163584), (40, 4518136), (56, 3227240), (64, 2823835), (70, 2581792), (80, 2259068), (112, 1613620), (140, 1290896), (160, 1129534), (224, 806810), (280, 645448), (320, 564767), (448, 403405), (560, 322724), (1120, 161362), (2240, 80681)]