219079620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405703}}^1$

素因数の和:405721

約数の個数: 48

約数和(自身を含む): 681582720

約数和(自身を除く): 462503100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 405703, 811406, 1217109, 1622812, 2028515, 2434218, 3651327, 4057030, 4868436, 6085545, 7302654, 8114060, 10953981, 12171090, 14605308, 18256635, 21907962, 24342180, 36513270, 43815924, 54769905, 73026540, 109539810, 219079620]

約数ペア:

[(1, 219079620), (2, 109539810), (3, 73026540), (4, 54769905), (5, 43815924), (6, 36513270), (9, 24342180), (10, 21907962), (12, 18256635), (15, 14605308), (18, 12171090), (20, 10953981), (27, 8114060), (30, 7302654), (36, 6085545), (45, 4868436), (54, 4057030), (60, 3651327), (90, 2434218), (108, 2028515), (135, 1622812), (180, 1217109), (270, 811406), (540, 405703)]