191491020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{7237}}^1$

素因数の和:7269

約数の個数: 144

約数和(自身を含む): 693110880

約数和(自身を除く): 501619860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 7237, 8820, 13230, 14474, 21711, 26460, 28948, 36185, 43422, 50659, 65133, 72370, 86844, 101318, 108555, 130266, 144740, 151977, 195399, 202636, 217110, 253295, 260532, 303954, 325665, 354613, 390798, 434220, 455931, 506590, 607908, 651330, 709226, 759885, 781596, 911862, 976995, 1013180, 1063839, 1302660, 1367793, 1418452, 1519770, 1773065, 1823724, 1953990, 2127678, 2279655, 2735586, 3039540, 3191517, 3546130, 3907980, 4255356, 4559310, 5319195, 5471172, 6383034, 6838965, 7092260, 9118620, 9574551, 10638390, 12766068, 13677930, 15957585, 19149102, 21276780, 27355860, 31915170, 38298204, 47872755, 63830340, 95745510, 191491020]

約数ペア:

[(1, 191491020), (2, 95745510), (3, 63830340), (4, 47872755), (5, 38298204), (6, 31915170), (7, 27355860), (9, 21276780), (10, 19149102), (12, 15957585), (14, 13677930), (15, 12766068), (18, 10638390), (20, 9574551), (21, 9118620), (27, 7092260), (28, 6838965), (30, 6383034), (35, 5471172), (36, 5319195), (42, 4559310), (45, 4255356), (49, 3907980), (54, 3546130), (60, 3191517), (63, 3039540), (70, 2735586), (84, 2279655), (90, 2127678), (98, 1953990), (105, 1823724), (108, 1773065), (126, 1519770), (135, 1418452), (140, 1367793), (147, 1302660), (180, 1063839), (189, 1013180), (196, 976995), (210, 911862), (245, 781596), (252, 759885), (270, 709226), (294, 651330), (315, 607908), (378, 506590), (420, 455931), (441, 434220), (490, 390798), (540, 354613), (588, 325665), (630, 303954), (735, 260532), (756, 253295), (882, 217110), (945, 202636), (980, 195399), (1260, 151977), (1323, 144740), (1470, 130266), (1764, 108555), (1890, 101318), (2205, 86844), (2646, 72370), (2940, 65133), (3780, 50659), (4410, 43422), (5292, 36185), (6615, 28948), (7237, 26460), (8820, 21711), (13230, 14474)]