1323140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 3424512

約数和(自身を除く): 2101372

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, 727, 910, 1454, 1820, 2908, 3635, 5089, 7270, 9451, 10178, 14540, 18902, 20356, 25445, 37804, 47255, 50890, 66157, 94510, 101780, 132314, 189020, 264628, 330785, 661570, 1323140]

約数ペア:

[(1, 1323140), (2, 661570), (4, 330785), (5, 264628), (7, 189020), (10, 132314), (13, 101780), (14, 94510), (20, 66157), (26, 50890), (28, 47255), (35, 37804), (52, 25445), (65, 20356), (70, 18902), (91, 14540), (130, 10178), (140, 9451), (182, 7270), (260, 5089), (364, 3635), (455, 2908), (727, 1820), (910, 1454)]