123321780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 398623680

約数和(自身を除く): 275301900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 107, 114, 171, 180, 190, 214, 228, 285, 321, 337, 342, 380, 428, 535, 570, 642, 674, 684, 855, 963, 1011, 1070, 1140, 1284, 1348, 1605, 1685, 1710, 1926, 2022, 2033, 2140, 3033, 3210, 3370, 3420, 3852, 4044, 4066, 4815, 5055, 6066, 6099, 6403, 6420, 6740, 8132, 9630, 10110, 10165, 12132, 12198, 12806, 15165, 18297, 19209, 19260, 20220, 20330, 24396, 25612, 30330, 30495, 32015, 36059, 36594, 38418, 40660, 57627, 60660, 60990, 64030, 72118, 73188, 76836, 91485, 96045, 108177, 115254, 121980, 128060, 144236, 180295, 182970, 192090, 216354, 230508, 288135, 324531, 360590, 365940, 384180, 432708, 540885, 576270, 649062, 685121, 721180, 1081770, 1152540, 1298124, 1370242, 1622655, 2055363, 2163540, 2740484, 3245310, 3425605, 4110726, 6166089, 6490620, 6851210, 8221452, 10276815, 12332178, 13702420, 20553630, 24664356, 30830445, 41107260, 61660890, 123321780]

約数ペア:

[(1, 123321780), (2, 61660890), (3, 41107260), (4, 30830445), (5, 24664356), (6, 20553630), (9, 13702420), (10, 12332178), (12, 10276815), (15, 8221452), (18, 6851210), (19, 6490620), (20, 6166089), (30, 4110726), (36, 3425605), (38, 3245310), (45, 2740484), (57, 2163540), (60, 2055363), (76, 1622655), (90, 1370242), (95, 1298124), (107, 1152540), (114, 1081770), (171, 721180), (180, 685121), (190, 649062), (214, 576270), (228, 540885), (285, 432708), (321, 384180), (337, 365940), (342, 360590), (380, 324531), (428, 288135), (535, 230508), (570, 216354), (642, 192090), (674, 182970), (684, 180295), (855, 144236), (963, 128060), (1011, 121980), (1070, 115254), (1140, 108177), (1284, 96045), (1348, 91485), (1605, 76836), (1685, 73188), (1710, 72118), (1926, 64030), (2022, 60990), (2033, 60660), (2140, 57627), (3033, 40660), (3210, 38418), (3370, 36594), (3420, 36059), (3852, 32015), (4044, 30495), (4066, 30330), (4815, 25612), (5055, 24396), (6066, 20330), (6099, 20220), (6403, 19260), (6420, 19209), (6740, 18297), (8132, 15165), (9630, 12806), (10110, 12198), (10165, 12132)]