1225925680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2189153}}^1$

素因数の和:2189173

約数の個数: 40

約数和(自身を含む): 3257461152

約数和(自身を除く): 2031535472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2189153, 4378306, 8756612, 10945765, 15324071, 17513224, 21891530, 30648142, 35026448, 43783060, 61296284, 76620355, 87566120, 122592568, 153240710, 175132240, 245185136, 306481420, 612962840, 1225925680]

約数ペア:

[(1, 1225925680), (2, 612962840), (4, 306481420), (5, 245185136), (7, 175132240), (8, 153240710), (10, 122592568), (14, 87566120), (16, 76620355), (20, 61296284), (28, 43783060), (35, 35026448), (40, 30648142), (56, 21891530), (70, 17513224), (80, 15324071), (112, 10945765), (140, 8756612), (280, 4378306), (560, 2189153)]