15267980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8418

約数の個数: 48

約数和(自身を含む): 39466560

約数和(自身を除く): 24198580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8389, 16778, 33556, 41945, 58723, 83890, 109057, 117446, 167780, 218114, 234892, 293615, 436228, 545285, 587230, 763399, 1090570, 1174460, 1526798, 2181140, 3053596, 3816995, 7633990, 15267980]

約数ペア:

[(1, 15267980), (2, 7633990), (4, 3816995), (5, 3053596), (7, 2181140), (10, 1526798), (13, 1174460), (14, 1090570), (20, 763399), (26, 587230), (28, 545285), (35, 436228), (52, 293615), (65, 234892), (70, 218114), (91, 167780), (130, 117446), (140, 109057), (182, 83890), (260, 58723), (364, 41945), (455, 33556), (910, 16778), (1820, 8389)]