2539980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 7836192

約数和(自身を除く): 5296212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 137, 180, 206, 274, 309, 411, 412, 515, 548, 618, 685, 822, 927, 1030, 1233, 1236, 1370, 1545, 1644, 1854, 2055, 2060, 2466, 2740, 3090, 3708, 4110, 4635, 4932, 6165, 6180, 8220, 9270, 12330, 14111, 18540, 24660, 28222, 42333, 56444, 70555, 84666, 126999, 141110, 169332, 211665, 253998, 282220, 423330, 507996, 634995, 846660, 1269990, 2539980]

約数ペア:

[(1, 2539980), (2, 1269990), (3, 846660), (4, 634995), (5, 507996), (6, 423330), (9, 282220), (10, 253998), (12, 211665), (15, 169332), (18, 141110), (20, 126999), (30, 84666), (36, 70555), (45, 56444), (60, 42333), (90, 28222), (103, 24660), (137, 18540), (180, 14111), (206, 12330), (274, 9270), (309, 8220), (411, 6180), (412, 6165), (515, 4932), (548, 4635), (618, 4110), (685, 3708), (822, 3090), (927, 2740), (1030, 2466), (1233, 2060), (1236, 2055), (1370, 1854), (1545, 1644)]