1212453760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2284

約数の個数: 128

約数和(自身を含む): 3340247040

約数和(自身を除く): 2127793280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1778, 2032, 2131, 2240, 2540, 3556, 4064, 4262, 4445, 4480, 5080, 7112, 8128, 8524, 8890, 10160, 10655, 14224, 14917, 16256, 17048, 17780, 20320, 21310, 28448, 29834, 34096, 35560, 40640, 42620, 56896, 59668, 68192, 71120, 74585, 81280, 85240, 113792, 119336, 136384, 142240, 149170, 170480, 238672, 270637, 272768, 284480, 298340, 340960, 477344, 541274, 568960, 596680, 681920, 954688, 1082548, 1193360, 1353185, 1363840, 1894459, 1909376, 2165096, 2386720, 2706370, 3788918, 4330192, 4773440, 5412740, 7577836, 8660384, 9472295, 9546880, 10825480, 15155672, 17320768, 18944590, 21650960, 30311344, 34641536, 37889180, 43301920, 60622688, 75778360, 86603840, 121245376, 151556720, 173207680, 242490752, 303113440, 606226880, 1212453760]

約数ペア:

[(1, 1212453760), (2, 606226880), (4, 303113440), (5, 242490752), (7, 173207680), (8, 151556720), (10, 121245376), (14, 86603840), (16, 75778360), (20, 60622688), (28, 43301920), (32, 37889180), (35, 34641536), (40, 30311344), (56, 21650960), (64, 18944590), (70, 17320768), (80, 15155672), (112, 10825480), (127, 9546880), (128, 9472295), (140, 8660384), (160, 7577836), (224, 5412740), (254, 4773440), (280, 4330192), (320, 3788918), (448, 2706370), (508, 2386720), (560, 2165096), (635, 1909376), (640, 1894459), (889, 1363840), (896, 1353185), (1016, 1193360), (1120, 1082548), (1270, 954688), (1778, 681920), (2032, 596680), (2131, 568960), (2240, 541274), (2540, 477344), (3556, 340960), (4064, 298340), (4262, 284480), (4445, 272768), (4480, 270637), (5080, 238672), (7112, 170480), (8128, 149170), (8524, 142240), (8890, 136384), (10160, 119336), (10655, 113792), (14224, 85240), (14917, 81280), (16256, 74585), (17048, 71120), (17780, 68192), (20320, 59668), (21310, 56896), (28448, 42620), (29834, 40640), (34096, 35560)]