1206580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2749824

約数和(自身を除く): 1543244

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 61, 86, 92, 115, 122, 172, 215, 230, 244, 305, 430, 460, 610, 860, 989, 1220, 1403, 1978, 2623, 2806, 3956, 4945, 5246, 5612, 7015, 9890, 10492, 13115, 14030, 19780, 26230, 28060, 52460, 60329, 120658, 241316, 301645, 603290, 1206580]

約数ペア:

[(1, 1206580), (2, 603290), (4, 301645), (5, 241316), (10, 120658), (20, 60329), (23, 52460), (43, 28060), (46, 26230), (61, 19780), (86, 14030), (92, 13115), (115, 10492), (122, 9890), (172, 7015), (215, 5612), (230, 5246), (244, 4945), (305, 3956), (430, 2806), (460, 2623), (610, 1978), (860, 1403), (989, 1220)]