17220560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 48854016

約数和(自身を除く): 31633456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 191, 196, 230, 245, 280, 322, 368, 382, 392, 460, 490, 560, 644, 764, 784, 805, 920, 955, 980, 1127, 1288, 1337, 1528, 1610, 1840, 1910, 1960, 2254, 2576, 2674, 3056, 3220, 3820, 3920, 4393, 4508, 5348, 5635, 6440, 6685, 7640, 8786, 9016, 9359, 10696, 11270, 12880, 13370, 15280, 17572, 18032, 18718, 21392, 21965, 22540, 26740, 30751, 35144, 37436, 43930, 45080, 46795, 53480, 61502, 70288, 74872, 87860, 90160, 93590, 106960, 123004, 149744, 153755, 175720, 187180, 215257, 246008, 307510, 351440, 374360, 430514, 492016, 615020, 748720, 861028, 1076285, 1230040, 1722056, 2152570, 2460080, 3444112, 4305140, 8610280, 17220560]

約数ペア:

[(1, 17220560), (2, 8610280), (4, 4305140), (5, 3444112), (7, 2460080), (8, 2152570), (10, 1722056), (14, 1230040), (16, 1076285), (20, 861028), (23, 748720), (28, 615020), (35, 492016), (40, 430514), (46, 374360), (49, 351440), (56, 307510), (70, 246008), (80, 215257), (92, 187180), (98, 175720), (112, 153755), (115, 149744), (140, 123004), (161, 106960), (184, 93590), (191, 90160), (196, 87860), (230, 74872), (245, 70288), (280, 61502), (322, 53480), (368, 46795), (382, 45080), (392, 43930), (460, 37436), (490, 35144), (560, 30751), (644, 26740), (764, 22540), (784, 21965), (805, 21392), (920, 18718), (955, 18032), (980, 17572), (1127, 15280), (1288, 13370), (1337, 12880), (1528, 11270), (1610, 10696), (1840, 9359), (1910, 9016), (1960, 8786), (2254, 7640), (2576, 6685), (2674, 6440), (3056, 5635), (3220, 5348), (3820, 4508), (3920, 4393)]