1217289920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 224

約数和(自身を含む): 3651747840

約数和(自身を除く): 2434457920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 127, 140, 154, 160, 176, 220, 224, 254, 280, 308, 320, 352, 385, 389, 440, 448, 508, 560, 616, 635, 704, 770, 778, 880, 889, 1016, 1120, 1232, 1270, 1397, 1540, 1556, 1760, 1778, 1945, 2032, 2240, 2464, 2540, 2723, 2794, 3080, 3112, 3520, 3556, 3890, 4064, 4279, 4445, 4928, 5080, 5446, 5588, 6160, 6224, 6985, 7112, 7780, 8128, 8558, 8890, 9779, 10160, 10892, 11176, 12320, 12448, 13615, 13970, 14224, 15560, 17116, 17780, 19558, 20320, 21395, 21784, 22352, 24640, 24896, 27230, 27940, 28448, 29953, 31120, 34232, 35560, 39116, 40640, 42790, 43568, 44704, 48895, 49403, 54460, 55880, 56896, 59906, 62240, 68464, 71120, 78232, 85580, 87136, 89408, 97790, 98806, 108920, 111760, 119812, 124480, 136928, 142240, 149765, 156464, 171160, 174272, 195580, 197612, 217840, 223520, 239624, 247015, 273856, 284480, 299530, 312928, 342320, 345821, 391160, 395224, 435680, 447040, 479248, 494030, 543433, 599060, 625856, 684640, 691642, 782320, 790448, 871360, 958496, 988060, 1086866, 1198120, 1369280, 1383284, 1564640, 1580896, 1729105, 1916992, 1976120, 2173732, 2396240, 2717165, 2766568, 3129280, 3161792, 3458210, 3804031, 3952240, 4347464, 4792480, 5434330, 5533136, 6916420, 7608062, 7904480, 8694928, 9584960, 10868660, 11066272, 13832840, 15216124, 15808960, 17389856, 19020155, 21737320, 22132544, 27665680, 30432248, 34779712, 38040310, 43474640, 55331360, 60864496, 76080620, 86949280, 110662720, 121728992, 152161240, 173898560, 243457984, 304322480, 608644960, 1217289920]

約数ペア:

[(1, 1217289920), (2, 608644960), (4, 304322480), (5, 243457984), (7, 173898560), (8, 152161240), (10, 121728992), (11, 110662720), (14, 86949280), (16, 76080620), (20, 60864496), (22, 55331360), (28, 43474640), (32, 38040310), (35, 34779712), (40, 30432248), (44, 27665680), (55, 22132544), (56, 21737320), (64, 19020155), (70, 17389856), (77, 15808960), (80, 15216124), (88, 13832840), (110, 11066272), (112, 10868660), (127, 9584960), (140, 8694928), (154, 7904480), (160, 7608062), (176, 6916420), (220, 5533136), (224, 5434330), (254, 4792480), (280, 4347464), (308, 3952240), (320, 3804031), (352, 3458210), (385, 3161792), (389, 3129280), (440, 2766568), (448, 2717165), (508, 2396240), (560, 2173732), (616, 1976120), (635, 1916992), (704, 1729105), (770, 1580896), (778, 1564640), (880, 1383284), (889, 1369280), (1016, 1198120), (1120, 1086866), (1232, 988060), (1270, 958496), (1397, 871360), (1540, 790448), (1556, 782320), (1760, 691642), (1778, 684640), (1945, 625856), (2032, 599060), (2240, 543433), (2464, 494030), (2540, 479248), (2723, 447040), (2794, 435680), (3080, 395224), (3112, 391160), (3520, 345821), (3556, 342320), (3890, 312928), (4064, 299530), (4279, 284480), (4445, 273856), (4928, 247015), (5080, 239624), (5446, 223520), (5588, 217840), (6160, 197612), (6224, 195580), (6985, 174272), (7112, 171160), (7780, 156464), (8128, 149765), (8558, 142240), (8890, 136928), (9779, 124480), (10160, 119812), (10892, 111760), (11176, 108920), (12320, 98806), (12448, 97790), (13615, 89408), (13970, 87136), (14224, 85580), (15560, 78232), (17116, 71120), (17780, 68464), (19558, 62240), (20320, 59906), (21395, 56896), (21784, 55880), (22352, 54460), (24640, 49403), (24896, 48895), (27230, 44704), (27940, 43568), (28448, 42790), (29953, 40640), (31120, 39116), (34232, 35560)]