243660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 709632

約数和(自身を除く): 465972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 131, 155, 186, 262, 310, 372, 393, 465, 524, 620, 655, 786, 930, 1310, 1572, 1860, 1965, 2620, 3930, 4061, 7860, 8122, 12183, 16244, 20305, 24366, 40610, 48732, 60915, 81220, 121830, 243660]

約数ペア:

[(1, 243660), (2, 121830), (3, 81220), (4, 60915), (5, 48732), (6, 40610), (10, 24366), (12, 20305), (15, 16244), (20, 12183), (30, 8122), (31, 7860), (60, 4061), (62, 3930), (93, 2620), (124, 1965), (131, 1860), (155, 1572), (186, 1310), (262, 930), (310, 786), (372, 655), (393, 620), (465, 524)]