28725540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2269}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 80848320

約数和(自身を除く): 52122780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2269, 2532, 3165, 4220, 4538, 6330, 6807, 9076, 11345, 12660, 13614, 22690, 27228, 34035, 45380, 68070, 136140, 478759, 957518, 1436277, 1915036, 2393795, 2872554, 4787590, 5745108, 7181385, 9575180, 14362770, 28725540]

約数ペア:

[(1, 28725540), (2, 14362770), (3, 9575180), (4, 7181385), (5, 5745108), (6, 4787590), (10, 2872554), (12, 2393795), (15, 1915036), (20, 1436277), (30, 957518), (60, 478759), (211, 136140), (422, 68070), (633, 45380), (844, 34035), (1055, 27228), (1266, 22690), (2110, 13614), (2269, 12660), (2532, 11345), (3165, 9076), (4220, 6807), (4538, 6330)]