640467828

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2587

約数の個数: 216

約数和(自身を含む): 2213396640

約数和(自身を除く): 1572928812

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 49, 52, 63, 66, 77, 78, 84, 91, 98, 99, 117, 126, 132, 143, 147, 154, 156, 182, 196, 198, 231, 234, 252, 273, 286, 294, 308, 364, 396, 429, 441, 462, 468, 539, 546, 572, 588, 637, 693, 819, 858, 882, 924, 1001, 1078, 1092, 1274, 1287, 1386, 1617, 1638, 1716, 1764, 1911, 2002, 2156, 2539, 2548, 2574, 2772, 3003, 3234, 3276, 3822, 4004, 4851, 5078, 5148, 5733, 6006, 6468, 7007, 7617, 7644, 9009, 9702, 10156, 11466, 12012, 14014, 15234, 17773, 18018, 19404, 21021, 22851, 22932, 27929, 28028, 30468, 33007, 35546, 36036, 42042, 45702, 53319, 55858, 63063, 66014, 71092, 83787, 84084, 91404, 99021, 106638, 111716, 124411, 126126, 132028, 159957, 167574, 195503, 198042, 213276, 231049, 248822, 251361, 252252, 297063, 319914, 335148, 363077, 373233, 391006, 396084, 462098, 497644, 502722, 586509, 594126, 639828, 693147, 726154, 746466, 782012, 924196, 1005444, 1089231, 1119699, 1173018, 1188252, 1368521, 1386294, 1452308, 1492932, 1617343, 1759527, 2079441, 2178462, 2239398, 2346036, 2541539, 2737042, 2772588, 3234686, 3267693, 3519054, 4105563, 4158882, 4356924, 4478796, 4852029, 5083078, 5474084, 6469372, 6535386, 7038108, 7624617, 8211126, 8317764, 9704058, 10166156, 12316689, 13070772, 14556087, 15249234, 16422252, 17790773, 19408116, 22873851, 24633378, 29112174, 30498468, 35581546, 45747702, 49266756, 53372319, 58224348, 71163092, 91495404, 106744638, 160116957, 213489276, 320233914, 640467828]

約数ペア:

[(1, 640467828), (2, 320233914), (3, 213489276), (4, 160116957), (6, 106744638), (7, 91495404), (9, 71163092), (11, 58224348), (12, 53372319), (13, 49266756), (14, 45747702), (18, 35581546), (21, 30498468), (22, 29112174), (26, 24633378), (28, 22873851), (33, 19408116), (36, 17790773), (39, 16422252), (42, 15249234), (44, 14556087), (49, 13070772), (52, 12316689), (63, 10166156), (66, 9704058), (77, 8317764), (78, 8211126), (84, 7624617), (91, 7038108), (98, 6535386), (99, 6469372), (117, 5474084), (126, 5083078), (132, 4852029), (143, 4478796), (147, 4356924), (154, 4158882), (156, 4105563), (182, 3519054), (196, 3267693), (198, 3234686), (231, 2772588), (234, 2737042), (252, 2541539), (273, 2346036), (286, 2239398), (294, 2178462), (308, 2079441), (364, 1759527), (396, 1617343), (429, 1492932), (441, 1452308), (462, 1386294), (468, 1368521), (539, 1188252), (546, 1173018), (572, 1119699), (588, 1089231), (637, 1005444), (693, 924196), (819, 782012), (858, 746466), (882, 726154), (924, 693147), (1001, 639828), (1078, 594126), (1092, 586509), (1274, 502722), (1287, 497644), (1386, 462098), (1617, 396084), (1638, 391006), (1716, 373233), (1764, 363077), (1911, 335148), (2002, 319914), (2156, 297063), (2539, 252252), (2548, 251361), (2574, 248822), (2772, 231049), (3003, 213276), (3234, 198042), (3276, 195503), (3822, 167574), (4004, 159957), (4851, 132028), (5078, 126126), (5148, 124411), (5733, 111716), (6006, 106638), (6468, 99021), (7007, 91404), (7617, 84084), (7644, 83787), (9009, 71092), (9702, 66014), (10156, 63063), (11466, 55858), (12012, 53319), (14014, 45702), (15234, 42042), (17773, 36036), (18018, 35546), (19404, 33007), (21021, 30468), (22851, 28028), (22932, 27929)]