1658460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 4701312

約数和(自身を除く): 3042852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 211, 262, 393, 422, 524, 633, 655, 786, 844, 1055, 1266, 1310, 1572, 1965, 2110, 2532, 2620, 3165, 3930, 4220, 6330, 7860, 12660, 27641, 55282, 82923, 110564, 138205, 165846, 276410, 331692, 414615, 552820, 829230, 1658460]

約数ペア:

[(1, 1658460), (2, 829230), (3, 552820), (4, 414615), (5, 331692), (6, 276410), (10, 165846), (12, 138205), (15, 110564), (20, 82923), (30, 55282), (60, 27641), (131, 12660), (211, 7860), (262, 6330), (393, 4220), (422, 3930), (524, 3165), (633, 2620), (655, 2532), (786, 2110), (844, 1965), (1055, 1572), (1266, 1310)]