181269400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 473808960

約数和(自身を除く): 292539560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 169, 173, 200, 248, 260, 310, 325, 338, 346, 403, 520, 620, 650, 676, 692, 775, 806, 845, 865, 1240, 1300, 1352, 1384, 1550, 1612, 1690, 1730, 2015, 2249, 2600, 3100, 3224, 3380, 3460, 4030, 4225, 4325, 4498, 5239, 5363, 6200, 6760, 6920, 8060, 8450, 8650, 8996, 10075, 10478, 10726, 11245, 16120, 16900, 17300, 17992, 20150, 20956, 21452, 22490, 26195, 26815, 29237, 33800, 34600, 40300, 41912, 42904, 44980, 52390, 53630, 56225, 58474, 69719, 80600, 89960, 104780, 107260, 112450, 116948, 130975, 134075, 139438, 146185, 209560, 214520, 224900, 233896, 261950, 268150, 278876, 292370, 348595, 449800, 523900, 536300, 557752, 584740, 697190, 730925, 906347, 1047800, 1072600, 1169480, 1394380, 1461850, 1742975, 1812694, 2788760, 2923700, 3485950, 3625388, 4531735, 5847400, 6971900, 7250776, 9063470, 13943800, 18126940, 22658675, 36253880, 45317350, 90634700, 181269400]

約数ペア:

[(1, 181269400), (2, 90634700), (4, 45317350), (5, 36253880), (8, 22658675), (10, 18126940), (13, 13943800), (20, 9063470), (25, 7250776), (26, 6971900), (31, 5847400), (40, 4531735), (50, 3625388), (52, 3485950), (62, 2923700), (65, 2788760), (100, 1812694), (104, 1742975), (124, 1461850), (130, 1394380), (155, 1169480), (169, 1072600), (173, 1047800), (200, 906347), (248, 730925), (260, 697190), (310, 584740), (325, 557752), (338, 536300), (346, 523900), (403, 449800), (520, 348595), (620, 292370), (650, 278876), (676, 268150), (692, 261950), (775, 233896), (806, 224900), (845, 214520), (865, 209560), (1240, 146185), (1300, 139438), (1352, 134075), (1384, 130975), (1550, 116948), (1612, 112450), (1690, 107260), (1730, 104780), (2015, 89960), (2249, 80600), (2600, 69719), (3100, 58474), (3224, 56225), (3380, 53630), (3460, 52390), (4030, 44980), (4225, 42904), (4325, 41912), (4498, 40300), (5239, 34600), (5363, 33800), (6200, 29237), (6760, 26815), (6920, 26195), (8060, 22490), (8450, 21452), (8650, 20956), (8996, 20150), (10075, 17992), (10478, 17300), (10726, 16900), (11245, 16120)]