128872470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20359}}^1$

素因数の和:20580

約数の個数: 32

約数和(自身を含む): 310775040

約数和(自身を除く): 181902570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 6330, 20359, 40718, 61077, 101795, 122154, 203590, 305385, 610770, 4295749, 8591498, 12887247, 21478745, 25774494, 42957490, 64436235, 128872470]

約数ペア:

[(1, 128872470), (2, 64436235), (3, 42957490), (5, 25774494), (6, 21478745), (10, 12887247), (15, 8591498), (30, 4295749), (211, 610770), (422, 305385), (633, 203590), (1055, 122154), (1266, 101795), (2110, 61077), (3165, 40718), (6330, 20359)]